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A mason jar of peanut butter and banana overnight oats on a wood board
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5 from 4 votes

Peanut Butter and Banana Overnight Oats

Peanut Butter and Banana Overnight Oats is the best way to start the day! This easy recipe combines oats, peanut butter, banana, cinnamon, and maple into the most delicious oatmeal that takes only minutes to make. These oats can be enjoyed chilled, warmed, and on-the-go.
Prep Time10 mins
Total Time10 mins
Course: Breakfast
Cuisine: Vegetarian
Servings: 1 serving
Calories: 447kcal



  • Mix the oats, flax seeds, and cinnamon in a mason jar or a bowl.
  • Add the milk and maple syrup and stir well.
  • Drop in the peanut butter and mix it around just a little.
  • Place the lid on the jar or cover the bowl with plastic wrap. Refrigerate for at least 6 hours.
  • When ready to eat, remove the lid or plastic wrap. Top the oats with the banana slices. Drizzle on extra maple syrup and add a pinch of cinnamon to the top of the bananas, if desired.



Tips and Techniques

  • You can use old-fashioned rolled oats, quick oats, or even steel cut oats.
  • Increase ratio of milk to oats for thinner oatmeal. You can use up to 1 cup of milk.
  • Overnight oats can be stored, tightly covered, in the refrigerator for up to 5 days. They are a great option for weekly meal prep.
** Nutritional information is an estimate and may vary.


Serving: 1serving | Calories: 447kcal | Carbohydrates: 53g | Protein: 15g | Fat: 21g | Saturated Fat: 3g | Sodium: 313mg | Potassium: 565mg | Fiber: 9g | Sugar: 14g | Vitamin C: 5.1mg | Calcium: 185mg | Iron: 2.3mg