Banana Overnight Oats with Peanut Butter

Loving mornings can be hard, but loving banana peanut butter overnight oats is eeeeeeasyyyy. This grab-and-go breakfast is ideal for those crazy busy mornings where you barely have time to put on matching socks, let alone make breakfast. They’re packed with an extra protein punch to keep you full all the way until lunch.

Why Banana Overnight Oats Are Awesome

Name a flavor pairing better than peanut butter and banana. I’ll wait…

Yep. You really can’t go wrong with those two. I love the slight saltiness of the peanut butter and the slight sweetness of the banana. There’s so much flavor here, you won’t even need any sweetener.

Aside from being delicious (obviously important), bananas and peanut butter also pack a punch when it comes to nutrition.

  • Both peanut butter and the banana are packed with potassium for a healthy heart.
  • Peanut butter is a great source of healthy fat to keep you satisfied and help you absorb fat-soluble vitamins.
  • The oats and banana contain fiber to promote good digestion.
  • Protein from the secret ingredient (shhh… it’s protein powder!) oats, and peanut butter keep you full and satisfied.
banana peanut butter overnight oats

How to Make Banana Overnight Oats with Peanut Butter

1. Mix dry ingredients and milk in a jar

First, add the dry ingredients (oats, protein powder, and chia seeds) to the jar. I always put the lid on and give it a good shake to ensure that everything is evenly distributed. Then, add enough milk to cover your oats, put the lid on, and shake vigorously.

2. Refrigerate

To give your oats time to “cook,” refrigerate them for at least 4 hours or overnight. When you’re ready to eat, the oats should have absorbed most of the liquid and softened considerably.

3. Add toppings

Add sliced banana and a drizzle of peanut butter right before eating. (If you add bananas the night before, they’re still fine to eat but they’ll be brown!)

Banana Peanut Butter Overnight Oats
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Banana Overnight Oats with Peanut Butter

These flavorful overnight oats are packed with nutritious ingredients to make any busy morning just a little bit better.
Prep Time2 mins
Refrigeration Time4 hrs
Total Time4 hrs 2 mins
Course: Breakfast
Cuisine: American
Keyword: grab-and-go, meal prep, no cook
Servings: 1
Calories: 540kcal
Author: Chelsea Jackle, RDN


  • mason jar


  • ½ cup old fashioned oats
  • ½ cup unsweetened vanilla almond milk
  • 1 scoop protein powder I use vanilla whey protein
  • 1 tbsp chia seeds
  • 1 medium banana sliced
  • 1 tbsp peanut butter


  • Add old fashioned oats, vanilla protein powder, chia seeds, and milk to a mason jar or food container. Cover and shake to mix consistently.
  • Refrigerate for at least 4 hours or overnight
  • Top with sliced banana and peanut butter.


  • Please note that nutrition facts are an estimate and can vary widely based on amounts and specific types used.
  • Refrigerated overnight oats will keep in the fridge for about 4 days.


Calories: 540kcal | Carbohydrates: 66g | Protein: 34g | Fat: 18g | Saturated Fat: 3g | Polyunsaturated Fat: 4g | Monounsaturated Fat: 1g | Cholesterol: 40mg | Sodium: 249mg | Potassium: 859mg | Fiber: 14g | Sugar: 18g

Looking for more variations on overnight oats? Check out my collection of Overnight Oats with Protein

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