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High-Calorie Avocado Banana Smoothie (Weight Gain Recipe)

Iulia Serban, RDN, registered dietitian nutritionist.

Medically Reviewed by 

Iulia Serban, RDN
Last updated on August 22, 2023
High Calorie Avocado Banana Smoothie for weight gain.


Since avocados and bananas are some of the fresh fruits with the most calories, they make for a great combination in a high-calorie smoothie for weight gain.

But, you can prepare an even more efficient smoothie if you know what ingredients mix well with avocados and bananas.

As proficient makers of high-calorie smoothies, we put together the recipe for the High-Calorie Avocado Banana Smoothie by using our blueprint for creating weight gain smoothies, a process verified by Iulia Serban, RDN.

Besides, to make it easy for you to follow the recipe, we bought the necessary ingredients, blended them, and illustrated the entire process with photos.

Smoothie's calories

The standard version of the High-Calorie Avocado Banana Smoothie yields one serving of 754 calories. If you need more calories from the smoothie, however, you can adjust ingredient quantities by following these guidelines:

  • For 1000-calorie smoothie: multiply ingredient quantities by 1.33;
  • For 1500-calorie smoothie: multiply ingredient quantities by 1.99;
  • For 2000-calorie smoothie: multiply ingredient quantities by 2.65.

Now, let's explore the recipe.

Equipment

To prepare the High-Calorie Avocado Banana Smoothie, you need three pieces of kitchen equipment:

  • Blender
  • Knife
  • Scoop (for protein powder)

Ingredients

Ingredients of High-Calorie Avocado Banana Smoothie.
  • 1 large (4.8 oz or 136 g) banana
  • 1 (5.3 oz or 150 g) avocado
  • 1 oz (28 g) cashews
  • 1 scoop (1.06 oz or 30 g) whey protein powder
  • 13.5 fl oz (400 ml) coconut milk

Role of each ingredient

Every ingredient in the High-Calorie Avocado Banana Smoothie has a specific role.

First of all, avocado and banana are the ingredients that make this smoothie an avocado-banana one.

Secondly, cashews have the mission of boosting the total calories of the smoothie without influencing its overall taste too much.

Moreover, whey protein powder has the role of increasing the smoothie's protein content.

Last but not least, coconut milk is the ingredient responsible for thinning out the smoothie's texture and bringing in extra calories.

Ingredient substitutions

If you have a nut allergy, you can replace cashews with seeds, like pumpkin seeds or chia seeds.

If you are lactose intolerant, you can replace whey protein powder with a plant-based protein powder, like the ones made from peas or rice.

Instructions

1. Adapt ingredients to blender size

Think whether all the ingredients will fit inside your blender.

If you use a small blender with a capacity of less than 744 ml (25.2 fl oz), break the ingredients into two or more identical portions, then follow the next instructions for each of them individually.

2. Add ingredients

Adding ingredients of High-Calorie Avocado Banana Smoothie in a blender.

Add the ingredients to the blender making sure coconut milk ends up at its bottom.

If you own a blender with an ingredient recipient that installs upside down on the blender, always add coconut milk lastly. This way, the blades will work smoothly without clogging in other ingredients.

3. Blend

Ingredients of High-Calorie Avocado Banana Smoothie: unblended vs. blended.

Blend the ingredients until the smoothie develops a fine texture (about 30-60 seconds).

If you own a less powerful blender, you may need to mix the ingredients for longer than 1 minute. Still, to prevent overheating your blender, abide by the recommended blending duration in your blender's manual.

4. Serve

Pouring the High-Calorie Avocado Banana Smoothie in a glass.

Pour the smoothie into a glass or a shaker bottle, and serve.

When it comes to flavor, the High-Calorie Avocado Banana Smoothie has a banana taste toned down by the more neutral avocado aroma along with some notes of coconut.

How to store

As a general rule, although we recommend drinking the smoothie right after blending it to have the best experience, you can safely store it in the fridge for about 24 hours.

Nutrition facts

  • Volume: 25.2 fl oz (744 ml)
  • Calories: 754
  • Protein: 33 g
  • Carbs: 67 g
  • Fat: 44 g

Out of the 754 calories found in the High-Calorie Avocado Banana Smoothie, 51% come from fats, 33% come from carbohydrates, and 16% from protein.

Consequently, this smoothie is a significant source of fats that also contains plenty of energizing carbs and a solid amount of proteins.

For more nutritional details, let's explore the contribution of each ingredient to the smoothie's overall nutrition facts.

Nutrition facts of each ingredient

Banana

  • Weight: 1 large (4.8 oz or 136 g)
  • Calories: 121
  • Protein: 1 g
  • Carbs: 31 g
  • Fat: 0 g

Source: FoodData Central - Raw bananas.[1]

Source info

Name: FoodData Central

Type: food database

Operated by: U.S. Food and Drug Administration

Characteristics:

  • Governmental authority
  • Updated regularly

Banana brings 46% of the carbs in the High-Calorie Avocado Banana Smoothie.

Avocado

  • Weight: 1 (5.3 oz or 150 g)
  • Calories: 240
  • Protein: 3 g
  • Carbs: 13 g
  • Fat: 22 g

Source: FoodData Central - Raw avocado.[2]

Source info

Name: FoodData Central

Type: food database

Operated by: U.S. Food and Drug Administration

Characteristics:

  • Governmental authority
  • Updated regularly

Avocado delivers 50% of the fats in the High-Calorie Avocado Banana Smoothie.

Cashews

  • Weight: 1 oz (28 g)
  • Calories: 163
  • Protein: 4 g
  • Carbs: 9 g
  • Fat: 13 g

Source: FoodData Central - Cashew nuts.[3]

Source info

Name: FoodData Central

Type: food database

Operated by: U.S. Food and Drug Administration

Characteristics:

  • Governmental authority
  • Updated regularly

Cashews, as high-calorie nuts and high-calorie snacks, are responsible for 30% of the fats in the High-Calorie Avocado Banana Smoothie.

Whey protein powder

  • Weight: 1 scoop (1.06 oz or 30 g)
  • Calories: 106
  • Protein: 23 g
  • Carbs: 2 g
  • Fat: 0 g

Source: FoodData Central - Whey protein powder.[4]

Source info

Name: FoodData Central

Type: food database

Operated by: U.S. Food and Drug Administration

Characteristics:

  • Governmental authority
  • Updated regularly

Whey protein powder brings 70% of the proteins in the High-Calorie Avocado Banana Smoothie.

Coconut milk

  • Weight: 13.5 fl oz or 400 ml
  • Calories: 124
  • Protein: 1 g
  • Carbs: 12 g
  • Fat: 8 g

Source: FoodData Central - Coconut milk beverage.[5]

Source info

Name: FoodData Central

Type: food database

Operated by: U.S. Food and Drug Administration

Characteristics:

  • Governmental authority
  • Updated regularly

Coconut milk brings 18% of the fats in the High-Calorie Avocado Banana Smoothie.

Benefits of drinking this smoothie

Besides helping you gain weight, the High-Calorie Avocado Banana Smoothie has many other health benefits. Find out all of the smoothie's benefits below.

1. Gain weight easier

First of all, the High-Calorie Avocado Banana Smoothie can help you gain weight easier because it has a lot of calories and it keeps your stomach filled up only for a short time.

As social proof, according to the top of the best weight gain foods for females, 91% of the women who gain weight successfully drink smoothies regularly.

Increase caloric intake

The High-Calorie Avocado Banana Smoothie increases your caloric intake because it delivers 754 calories per serving. All of these calories will make it easier for you to achieve a daily caloric surplus, the essential condition for gaining weight.

Keep your appetite

Besides increasing your total caloric intake, the High-Calorie Avocado Banana Smoothie enables you to eat more food because, unlike many solid foods, it keeps your appetite satisfied only for a short time.

As evidence, a University of Bristol study compared fruit smoothies with fresh fruits and other drinks in terms of satiety. The researchers concluded that fruit smoothies are more filling than drinks that are less alike to food (e.g., water and milk) but less filling than solid foods.[6]

Source info

Name: A Comparison of the Satiety Effects of a Fruit Smoothie, Its Fresh Fruit Equivalent and Other Drinks

Type: journal article

Published in: Nutrients (peer-reviewed journal)

Made at: University of Bristol

2. Increase energy levels

The High-Calorie Avocado Banana Smoothie boosts your energy levels because it's high in carbs, the majority of which come from the banana in the smoothie's composition.

After all, according to a University of Lausanne study on the energy potential of carbs, carbohydrates are the main energy source for humans.[7]

Source info

Name: Carbohydrates as a source of energy

Type: journal article

Published in: American Journal of Clinical Nutrition (peer-reviewed)

Made at: University of Lausanne

3. Support muscle growth

The High-Calorie Avocado Banana Smoothie is great at helping your muscles grow because it has 33 g of protein. Almost all of these proteins come from the whey protein powder in the smoothie's composition.

To contextualize, a pre-workout serving of 20 g of protein, according to a University of Birmingham trial on protein ingestion effects, is sufficient to support muscle growth.[8]

Source info

Name: Stimulation of net muscle protein synthesis by whey protein ingestion before and after exercise

Type: journal article

Published in: American Journal of Physiology, Endocrinology, and Metabolism (peer-reviewed journal)

Consider that depending on your weight goals and current body weight, you need to eat a certain amount of proteins per day to build muscle efficiently.

4. Fortify immunity

The High-Calorie Avocado Banana Smoothie fortifies immunity because it contains four sources of antioxidants:

  • Banana
  • Avocado
  • Cashews
  • Coconut milk

Antioxidants, according to a scientific review of antioxidants, increase health protection and disease prevention.[9]

Source info

Name: Antioxidants: Molecules, medicines, and myths

Type: journal article

Published in: Biochemical and Biophysical Research Communications (peer-reviewed journal)

5. Strengthen bones

The High-Calorie Avocado Banana Smoothie can strengthen bones because it contains whey protein powder, a good source of calcium.

The whey protein powder in the smoothie brings 141 mg of calcium, which is around 14% of the daily recommended intake of calcium.

You can significantly increase the calcium in this smoothie by using coconut milk fortified with calcium.

6. Enhance heart health

The High-Calorie Avocado Banana Smoothie brings benefits to your heart because it contains four sources of potassium: banana, avocado, cashews, and coconut milk.

As scientific proof, a review of the effects of potassium says that potassium lowers blood pressure.[10]

Source info

Name: Beneficial Effects of High Potassium

Type: journal article

Published in: Hypertension (peer-reviewed journal)

Made at: Medical College of Wisconsin

7. Hydrate body

The High-Calorie Avocado Banana Smoothie is great at hydrating your body because it contains coconut milk, a notable source of water.

8. Improve digestion

The High-Calorie Avocado Banana Smoothie can improve digestion because it's made with three sources of fiber: banana, avocado, and cashews.

One of the benefits of eating fiber, as stated in a 2009 review of the health benefits of dietary fiber, is a lower risk of gastrointestinal diseases.[11]

Source info

Name: Health benefits of dietary fiber

Type: journal article

Published in: Nutrition Reviews (peer-reviewed journal)

Made in: USA

Recipe summary

To follow the High-Calorie Avocado Banana Smoothie's recipe in a compressed format, use the summary below.

High Calorie Avocado Banana Smoothie for weight gain.

High-Calorie Avocado Banana Smoothie for Weight Gain

The High-Calorie Avocado Banana Smoothie helps people gain weight and brings many other health benefits by combining bananas with avocados and other nutritious ingredients.
Prep Time 3 minutes
Blend Time 1 minute
Total Time 4 minutes
Course Smoothies
Servings 1 person
Calories 754 kcal

Equipment

  • 1 Blender
  • 1 Knife
  • 1 Scoop (for protein powder)

Ingredients
  

  • 1 large banana (4.8 oz or 136 g)
  • 1 avocado (5.3 oz or 150 g)
  • 1 oz cashews (28 g)
  • 1 scoop whey protein powder (1.06 oz or 30 g)
  • 13.5 fl oz coconut milk (400 ml)

Instructions
 

  • Think whether all the ingredients will fit inside your blender.
    If you use a small blender with a capacity of less than 744 ml (25.2 fl oz), break the ingredients into two or more identical portions, then follow the next instructions for each of them individually.
  • Add the ingredients to the blender making sure coconut milk ends up at its bottom.
    If you own a blender with an ingredient recipient that installs upside down on the blender, always add 13.5 fl oz coconut milk lastly. This way, the blades will work smoothly without clogging in other ingredients.
    1 large banana, 1 avocado, 1 oz cashews, 1 scoop whey protein powder, 13.5 fl oz coconut milk
    Adding ingredients of High-Calorie Avocado Banana Smoothie in a blender.
  • Blend the ingredients until the smoothie develops a fine texture (about 30-60 seconds).
    If you own a less powerful blender, you may need to mix the ingredients for longer than 1 minute. Still, to prevent overheating your blender, abide by the recommended blending duration in your blender's manual.
    Ingredients of High-Calorie Avocado Banana Smoothie: unblended vs. blended.
  • Pour the smoothie into a glass or a shaker bottle, and serve.
    Pouring the High-Calorie Avocado Banana Smoothie in a glass.

Notes

Besides helping you gain weight, the High-Calorie Avocado Banana Smoothie brings many other health benefits.
Keyword energizing, healthy, high-calorie, muscle-building, protein, quick, weight gain

Other high-calorie smoothie recipes for weight gain

If you want to try other homemade smoothies that can help you gain weight, visit our full list of high-calorie smoothie recipes.

And in case you feel creative, you can build your own high-calorie smoothie recipes. Learn what can you add to your smoothie and how to bring extra calories to it from our guide on how to make high-calorie smoothies for weight gain.

And if it happens to get bored of smoothies...

Try switching high-calorie smoothies for high-calorie shakes or other weight gain drinks.

External sources

Unfold Today has rigorous sourcing principles adhering to the top journalistic standards, so our writers always look for official, experienced, and first-hand sources. Read more about how we keep our content trustworthy and updated by reading our editorial process.

Written by
Claudiu Pop from Unfold Today, face portrait.
Claudiu Pop is a nutritionist, medical writer, journalist, and the founder of Unfold Today. He specialized in fitness and nutrition, especially in weight gain, by helping people increase their body mass since 2019 with over 20 articles published in the field.
Medically reviewed by
Iulia Serban, RDN, registered dietitian nutritionist.
Iulia Serban, RDN
Iulia Serban, RDN, is a registered dietitian nutritionist with a Bachelor's degree in Nutrition and Dietetics, and a Master's degree in Nutrition and Quality of Life. Both degrees were received from the University of Medicine and Pharmacy Iuliu Hatieganu.
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