High-Protein Chocolate Banana Energy Smoothie

Posted on March 31, 2026

By: Melissa Andrew

High-Protein Chocolate Banana Energy Smoothie

Difficulty

Prep time

Cooking time

Total time

Servings

The Chocolate Banana Protein Smoothie is a creamy, satisfying drink that combines rich cocoa flavor with naturally sweet banana. This smoothie is a great choice for busy mornings, post-workout recovery, or a quick healthy snack. With its smooth texture and chocolatey taste, it feels like a milkshake but provides balanced nutrition that supports energy and fullness.

Bananas are a staple ingredient in many smoothies because they add natural sweetness and create a thick, creamy texture. When blended with cocoa powder, they produce a flavor combination similar to chocolate-banana desserts. Adding milk and other protein-rich ingredients turns this smoothie into a filling meal that can help fuel your morning or support recovery after exercise.

Some versions of this smoothie even include cooked red lentils as a plant-based protein boost. Lentils blend smoothly and add protein, fiber, and nutrients without affecting the chocolate flavor significantly. This makes the smoothie both nutritious and surprisingly satisfying.

Ingredients

IngredientQuantity
Frozen banana1 medium
Cooked red lentils½ cup (100 g)
Nonfat milk (or almond milk)½ cup (120 ml)
Unsweetened cocoa powder2 teaspoons (5 g)
Maple syrup1 teaspoon (5 ml)
Ice cubes (optional)½ cup
Ingredients

Chocolate-banana protein smoothies often use banana, milk, cocoa powder, and lentils to create a creamy drink with extra protein and fiber.

Equipments

  • High-speed blender (1.5–2 liter capacity)
  • Measuring cups and spoons
  • Small saucepan (if cooking lentils, approx. 2-quart capacity)
  • Cutting board (12 × 18 inches)
  • Sharp kitchen knife (8-inch blade)
  • Tall smoothie glass (12–14 oz capacity)

Instructions

Step 1 – Prepare the Lentils and Banana

If the lentils are not already cooked, rinse them and simmer them in water until tender, then allow them to cool completely. Slice the banana into chunks and freeze it if it is not already frozen to create a thicker smoothie texture.

Step 2 – Add Ingredients to the Blender

Pour the milk into the blender first. Then add the frozen banana pieces, cooked red lentils, cocoa powder, and maple syrup. Placing the liquid ingredients at the bottom helps the blender process the thicker ingredients smoothly.

Step 3 – Blend Until Smooth

Blend the mixture on high speed for about 45–60 seconds until the smoothie becomes creamy and completely smooth. If you prefer a thicker, colder texture, add ice cubes and blend again briefly.

Step 4 – Serve Immediately

Pour the smoothie into a tall glass and serve right away. For presentation, you can sprinkle a small amount of cocoa powder on top or garnish with a banana slice.

Recipe Information

  • Prep Time: 5 minutes
  • Cook Time or Chill Time: 0 minutes (plus lentil cooking time if needed)
  • Total Time: 5 minutes
  • Servings: 1
  • Cuisine: American
  • Course: Breakfast / Smoothie / Beverage

Nutrition Information (Approximate)

  • Calories: 310 kcal
  • Protein: 15 g
  • Carbohydrates: 64 g
  • Fat: 2 g
  • Fiber: 9 g
  • Sugar: 25 g
  • Sodium: 57 mg
High-Protein Chocolate Banana Energy Smoothie
Melissa Andrew

High-Protein Chocolate Banana Energy Smoothie

High-Protein Chocolate Banana Energy Smoothie
Prep Time 5 minutes
Chill Time 0 minutes
Total Time 5 minutes
Servings: 1
Course: Breakfast / Smoothie / Beverage
Cuisine: American
Calories: 310

Ingredients
  

  • | Frozen banana | 1 medium |
  • | Cooked red lentils | ½ cup 100 g |
  • | Nonfat milk or almond milk | ½ cup (120 ml) |
  • | Unsweetened cocoa powder | 2 teaspoons 5 g |
  • | Maple syrup | 1 teaspoon 5 ml |
  • | Ice cubes optional | ½ cup |

Method
 

  1. If the lentils are not already cooked, rinse them and simmer them in water until tender, then allow them to cool completely. Slice the banana into chunks and freeze it if it is not already frozen to create a thicker smoothie texture.
  2. Pour the milk into the blender first. Then add the frozen banana pieces, cooked red lentils, cocoa powder, and maple syrup. Placing the liquid ingredients at the bottom helps the blender process the thicker ingredients smoothly.
  3. Blend the mixture on high speed for about 45–60 seconds until the smoothie becomes creamy and completely smooth. If you prefer a thicker, colder texture, add ice cubes and blend again briefly.
  4. Pour the smoothie into a tall glass and serve right away. For presentation, you can sprinkle a small amount of cocoa powder on top or garnish with a banana slice.

Notes

  • Protein: 15 g
  • Carbohydrates: 64 g
  • Fat: 2 g
  • Fiber: 9 g
  • Sugar: 25 g
  • Sodium: 57 mg

These nutrition values are typical for chocolate-banana protein smoothies that include banana, lentils, milk, and cocoa powder.

Flavor Profile Breakdown

  • Rich chocolate flavor from cocoa powder
  • Natural sweetness from banana
  • Creamy texture from blended banana and lentils
  • Light caramel sweetness from maple syrup
  • Smooth milkshake-like consistency

Tips for Best Results

  • Use frozen banana for a thicker smoothie
  • Let cooked lentils cool before blending
  • Blend longer to ensure lentils are completely smooth
  • Adjust sweetness with extra maple syrup if desired
  • Chill your glass before serving for a colder smoothie

Variations & Substitutions

  • Replace milk with almond milk or oat milk
  • Add peanut butter for a chocolate-peanut flavor
  • Blend in chia seeds for extra fiber
  • Add vanilla extract for a dessert-like flavor
  • Include protein powder for additional protein

Mistakes to Avoid

  • Using warm lentils which can affect the smoothie texture
  • Adding too much liquid which makes the smoothie thin
  • Skipping frozen banana when you want a thick shake
  • Not blending long enough to fully smooth the lentils
  • Adding too much sweetener when banana already provides sweetness

Serving Suggestions

  • Serve as a quick breakfast smoothie
  • Enjoy after workouts for protein recovery
  • Pair with whole-grain toast or oatmeal
  • Serve alongside fruit salad
  • Enjoy as a healthier dessert smoothie

Storage Tips

  • Store in an airtight container in the refrigerator for up to 24 hours
  • Shake or stir before drinking if separation occurs
  • Freeze leftovers into smoothie cubes for later use
  • Best enjoyed fresh for the creamiest texture

Why You’ll Love This Recipe

  • Ready in just minutes
  • Rich chocolate flavor without heavy ingredients
  • Naturally sweet with banana
  • Packed with protein and fiber
  • Perfect for breakfast or snacks

How to Serve

  • Serve chilled in a tall smoothie glass
  • Garnish with banana slices or cocoa powder
  • Add reusable smoothie straws
  • Pour into smoothie bowls with granola toppings
  • Enjoy immediately for the best flavor

FAQs

Can I taste the lentils in this smoothie?
No. When blended with banana and cocoa powder, lentils become creamy and nearly flavorless.

Can I make this smoothie dairy-free?
Yes. Replace dairy milk with almond milk, oat milk, or coconut milk.

Why are lentils used in a smoothie?
Lentils provide plant-based protein and fiber while blending smoothly into the drink.

Can I add protein powder?
Yes. A scoop of chocolate or vanilla protein powder can increase the protein content.

How can I make the smoothie thicker?
Add more frozen banana or ice cubes and blend again.

Can I prepare this smoothie ahead of time?
Yes, but it tastes best fresh. If stored in the refrigerator, drink within 24 hours.

What other fruits go well with chocolate smoothies?
Strawberries, cherries, raspberries, and peanut butter combinations work well with chocolate flavors.

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