That Spicy Chick

Chocolate Peanut Butter Banana Overnight Oats

Make your morning delicious with these Chocolate Peanut Butter Banana Overnight Oats! They’re quick and easy to make, packed with protein and fiber, and full of the BEST rich chocolate, sweet banana and nutty peanut butter flavors! They’re also meal prep friendly and will keep you full and fueled for hours!

Of all the overnight oats recipes I’ve shared, this Chocolate Peanut Butter Banana Overnight Oats is my ultimate favorite and the one I make the most often!

It’s delicious with the rich and sweet flavors of chocolate, banana and creamy peanut butter and also packed with several nutritious ingredients. Adding protein powder ensures that this healthy breakfast will keep you full and energized for hours!

Overnight oats are a convenient make-ahead breakfast with simple ingredients that can be prepped in under 10 minutes.

If you love the indulgent dessert-like flavor combination of chocolate, banana and peanut butter, you’ll have a smile on your face in the morning no matter how early it is when eat your first spoonful of this Chocolate Peanut Butter Banana Overnight Oats!

If you’re looking for more high protein overnight oats recipes, try my Tiramisu Overnight Oats, Birthday Cake Overnight Oats and Snickerdoodle Protein Overnight Oats!

Spoon in bowl with half eaten chocolate peanut butter banana overnight oats to show texture.

Why This Recipe Works

  • Quick and easy! It can be prepared in a few minutes and is perfect for a grab-and-go breakfast in the morning!
  • High in protein, fiber and healthy fats. Packed with protein from oats, protein powder and Greek style yogurt, these overnight oats will keep you full and satisfied for hours. The oats, banana and chia seeds also will help you reach your fiber target for the day. Peanut butter along with the chia seeds add a boost of healthy fats.
  • AMAZING flavors! Chocolate, peanut butter and banana is a flavor combination match made in heaven!
  • Meal prep friendly. Make ahead several servings to enjoy during the week!
  • Satiating and creamy texture. Using a whey + casein protein blend, yogurt and creamy style oats results in a delicious and filling breakfast that tastes like a dessert!

Ingredient Notes and Substitutes

Labeled ingredients for chocolate peanut butter banana overnight oats on a wooden board.
  • Old Fashioned Rolled Oats: I use Red Tractor creamy style rolled oats for the ultimate thick and creamy texture. Any type of old fashioned rolled oats will work. Use gluten-free certified oats if needed.
  • Chocolate Peanut Butter Protein Powder: I used PEScience Chocolate Peanut Butter Cup Protein Powder, a whey-casein blend. The flavor is incredible and it’s an all-time favorite without any chemical aftertaste! Any type (whey, casein, vegan) of chocolate flavored protein powder will work too if you add powdered peanut butter to deliver the peanut flavor. Note that vegan protein powders absorb more liquid than whey and whey-casein blends. You will need to add more milk if using a vegan protein.
  • White Chia Seeds: Or use black chia seeds. They help thicken the overnight oats and add healthy fats.
  • Unsweetened Cocoa Powder: I like using unsweetened Dutch processed cocoa powder as it has a richer and more chocolatey flavor than regular unsweetened cocoa powder. Cacao powder can be used instead.
  • Fine Sea Salt: A small pinch to round out the flavors.
  • Banana: The riper and spottier, the sweeter and more flavorful!
  • Fat Free Greek Style Yogurt: Or use fat-free Greek yogurt or any thick plain yogurt.
  • Unsweetened Almond Milk: Any plant-based or regular milk will work.
  • Sugar-free Maple Syrup: I used Walden Farms Maple Walnut Syrup to add sweetness but any sugar-free pancake or maple syrup will work. Regular maple syrup, honey, agave syrup, date syrup, coconut sugar or other sweetener of your choice can be used too.
  • Peanut Butter: I use a natural and unsweetened smooth creamy style peanut butter. Use any peanut butter, creamy or crunchy style, you love and have at home.

Full ingredient list and amounts are in the recipe card below.

How to Make Chocolate Peanut Butter Banana Overnight Oats

  1. Combine the dry ingredients. In a medium bowl, mason jar or meal prep container, mix together all the dry ingredients.
Cocoa powder, protein powder, chia seeds, oats and salt in a bowl.
  1. Mash the banana. Push the dry ingredients to one side of the bowl and mash half of the banana on the other side.
Mashed banana in bowl with dry ingredients for overnight oats.
  1. Add the wet ingredients. Add all the wet ingredients and mix everything to combine until smooth and creamy.
Added wet ingredients to bowl with dry ingredients for overnight oats.
  1. Chill. Slice the remaining half of the banana into coins. Add on top of the oats base and drizzle with the peanut butter. Cover and refrigerate for at least 4 hours or overnight for the best creamy texture.

Note: You can add the toppings in the morning for more freshness or if making multiple servings for meal prep (see the Cook’s Tips section below).

Added sliced banana coins and peanut butter drizzle on top of chocolate overnight oats.
  1. Enjoy! In the morning, uncover and then enjoy!
Closeup front view of bowl with chocolate peanut butter banana overnight oats.

Full detailed instructions are in the recipe card below.

Cook’s Tips

  • Use a high-quality protein powder. PEScience Select protein powders are made with high quality ingredients and taste incredible! I adore their Chocolate Peanut Butter Cup Select Protein, which is what I’ve used in this chocolate peanut butter banana protein overnight oats. Use my referral link to save $10 dollars on your first order with them!
  • Adjust the consistency to your preference. I like my overnight oats VERY thick and creamy so I add less almond milk than most people (⅓ cup). However, you can add the standard ½ cup or more milk if you prefer your oats to be on the runny side. If you discover that the overnight oats are too thick for your liking in the morning, you can always stir in more milk before adding the toppings. 
  • Make ahead tips. If you are making one serving to consume the next day, you can get away with topping with the banana slices and peanut butter the night before. However, if making multiple servings for meal prep, it’s best to add the toppings just before eating so that the banana slices don’t brown excessively and the peanut butter retains freshness.
  • Meal prep tips. Double or triple the ingredients amounts if you’d like to make multiple servings to enjoy during the week. Mix all the ingredients for the oats base in a large bowl and divide evenly into bowls with lids, mason jars or meal prep containers. Refrigerate for up to 3 days. Note that they will increasingly thicken over the days in the fridge. I recommend stirring in more milk if needed before topping with the peanut butter and sliced banana before eating.
  • Peanut butter type: If using a commercial peanut butter such as Skippy or Jif, melt it by heating in the microwave for 10-15 seconds so that it’s of drizzling consistency.
Chocolate peanut butter banana overnight oats and banana, peanut butter jar and protein powder behind.

Variations

  • Use chocolate protein powder. Add ½ tablespoon powdered peanut butter such as PB2 or PBfit and additional sugar-free maple syrup or other sweetener of choice.
  • Make it vegan/dairy-free. Use a vegan protein powder (not whey or casein based), oat or nut milk and a dairy-free Greek or thick Greek style yogurt such as coconut yogurt by Cocobella or something similar. A vanilla or plain yogurt by Kite Hill brand (which is made from almond milk and soy yogurt) can be used instead too.
  • Use berries instead of banana. I can vouch that raspberries, strawberries, blackberries and blueberries all taste great with the chocolate and peanut butter flavor. You can either stir some of the berries into the base or reserve them for topping.
  • Top with nuts. Roasted peanuts, walnuts, pecans, hazelnuts, almonds etc.
  • Omit the protein powder. Stir in peanut butter powder and/or peanut butter into the oats base and use additional unsweetened cocoa powder to yield a similar flavor.
  • Use soy milk. Unsweetened soy milk will give these chocolate peanut butter banana overnight oats an even higher protein content.
Spoon in bowl with chocolate peanut butter banana overnight oats.

FAQs

How long will it keep?

The overnight oats without the toppings will keep for up to 3 days since there is mashed banana incorporated. However, overnight oats without any fruit can keep for up to 4-5 days if stored properly sealed airtight containers in the fridge. They taste best up until the third day.

Can I add chocolate chips to chocolate peanut butter banana overnight oats?

Sprinkle some dark, semi-sweet or milk chocolate chips on top for more chocolatey flavors and a boost in antioxidants.

How do you know if overnight oats are bad?

If the liquid separates completely from the oats or there is visible mold growth, you’ll know that the overnight oats have gone bad and should not be consumed. This is why I recommend making ahead 2-3 servings at a time only.

Chocolate overnight oats topped with banana slices and peanut butter in bowl with a spoon. Text overlay "Chocolate Peanut Butter Banana Overnight Oats" and "thatspicychick.com".

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Chocolate Peanut Butter Banana Overnight Oats

Chocolate peanut butter banana overnight oats in a bowl.

Make your morning delicious with these Chocolate Peanut Butter Banana Overnight Oats! They’re quick and easy to make, packed with protein and fiber, and full of the BEST rich chocolate, sweet banana, and creamy and nutty peanut butter flavors! 

  • Author: Lavina
  • Prep Time: 8 minutes
  • Refrigerating Time: 4 hours
  • Cook Time: 0 minutes
  • Total Time: 4 hours 8 minutes
  • Yield: 1 1x
  • Category: Breakfast
  • Method: Mix
  • Cuisine: American
  • Diet: Gluten Free

Ingredients

Scale
  • 40 grams / ½ cup Old Fashioned Rolled Oats (note 1)
  • 20 grams / ≈ ¼ cup Chocolate Peanut Butter Cup Protein Powder (or chocolate flavored, I used PEScience Select Protein, a whey-casein protein blend – note 2)
  • 4 grams / 1 TSP White Chia Seeds (or use black chia seeds)
  • 6 grams / ½ TBSP Unsweetened Cocoa Powder (Dutch processed recommended – note 3)
  • A small pinch / ⅛ TSP Fine Sea Salt
  • 60100 grams / 1 small Banana – peeled
  • 100 grams Fat Free Greek Style Yogurt (or fat free Greek yogurt or any thick plain yogurt)
  • 79ml / ⅓ cup Unsweetened Almond Milk (or any other plant-based or regular milk of your choice)
  • 15ml / 1 TBLS Sugar-free Maple or Pancake Syrup (such as Walden Farms Maple Walnut Syrup, or use regular maple syrup or any sweetener of choice)
  • 15 grams / 1 TBSP Smooth Peanut Butter (I used a natural and unsweetened)

Instructions

  1. Combine the dry ingredients: Add the oats, protein powder, chia seeds, unsweetened cocoa powder and salt to a medium bowl, mason jar, or meal prep container. Mix to combine.
  2. Mash the banana: Push the dry ingredients to one side of the bowl and add half of the banana. Mash with a fork or spoon.
  3. Add the wet ingredients: Add the Greek style yogurt, unsweetened almond milk and maple syrup. Mix everything to combine until smooth and creamy.
  4. Add the toppings: Refrigerate for 5-10 minutes to allow the oats base to set. Slice the remaining half of the banana into coins and assemble on top of the oats base. Drizzle the peanut butter on top. Skip this step if you prefer to add toppings in the morning (note 4) for more freshness or if making multiple servings for meal prep (note 5).
  5. Chill: Cover (note 6) and refrigerate for at least 4 hours or overnight for the best thick and creamy texture.
  6. To Serve: If you haven’t already the day before, top with the remaining sliced banana and drizzle the peanut butter on top. Then enjoy!

Notes

  1. Old Fashioned Rolled Oats: Use gluten-free certified oats if needed. I used Red Tractor Creamy Style Rolled Oats which result in extra creamy and thick overnight oats.
  2. Chocolate Peanut Butter Cup Protein Powder: If you don’t have chocolate peanut butter cup flavored protein powder, any chocolate flavored protein powder will work. You can add ½ tablespoon powdered peanut butter such as PB2 or PBfit and additional sugar-free maple syrup or other sweetener of choice. You could also use an unflavored protein powder or omit the protein powder and add powdered peanut butter and additional cocoa powder to yield a similar flavor. A pure whey, casein or vegan protein powder can be used. Note that vegan protein powders absorb more liquid than whey or whey-casein blend so you will need to add additional milk.
  3. Unsweetened Cocoa Powder: I recommend using Dutch processed as it has a richer and more chocolatey flavor than regular unsweetened cocoa powder. Cacao powder can be used instead too.
  4. Make ahead tips. If you are making one serving to consume the next day, you can get away with adding the banana slices and peanut butter on top of the oats base the night before. However, if making multiple servings for meal prep, it’s best to add the toppings just before eating so that the banana slices don’t brown excessively and the peanut butter retains freshness.
  5. To meal prep: Double or triple the ingredients amounts by clicking the ‘2x’ or ‘3x’ buttons at the top of the recipe card if you’d like to make multiple servings for the week. Mix all the ingredients for the oats base in a large bowl and divide evenly into bowls with lids, mason jars or meal prep containers. Refrigerate for up to 3 days. Note that they will increasingly thicken over the days in the fridge. I recommend stirring in more milk to achieve your desired consistency if needed in the morning. Then top with banana slices and peanut butter before eating.
  6. Cover with foil or cling wrap. If using a bowl or container that doesn’t have a lid, cover the bowl by wrapping a small sheet of aluminum foil or cling wrap around the rim. This is fine if eating the next day. However, if making several servings to consume during the week, it’s best to use a container with a lid such as a mason jar or meal prep container. This will ensure the overnight oats will taste fresh even after the first day.
  7. See the ‘Variations’ section in the post above if you’d like to customize these overnight oats.
  8. Nutritional information was calculated based on using a 75 gram banana (peeled weight).

Nutrition

  • Serving Size: 1 serving (whole recipe)
  • Calories: 470
  • Sugar: 16g
  • Sodium: 500.9mg
  • Fat: 13.8g
  • Saturated Fat: 2g
  • Unsaturated Fat: 11.6g
  • Trans Fat: 0.2g
  • Carbohydrates: 53.7g
  • Fiber: 13g
  • Protein: 36.2g
  • Cholesterol: 27.7mg

Keywords: chocolate peanut butter banana overnight oats, chocolate peanut butter banana protein overnight oats, chocolate peanut butter banana overnight oats recipe

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