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Oats and peanut butter in glass jar, milk being poured in.
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5 from 9 votes

Peanut Butter Overnight Oats

Peanut Butter Overnight Oats are the best and healthy way to eat oatmeal! Layer oats with banana, peanut butter, flax seeds, brown sugar in a jar, add milk and set in the fridge for the night. In the morning, grab and go or pour into a bowl and enjoy!
Prep Time5 mins
chilling time1 d
Total Time5 mins
Course: Breakfast
Cuisine: American
Keyword: overnight oats, peanut butter oats
Servings: 1 serving
Calories: 550kcal
Author: Anna


  • 3/4 cup rolled oats old fashioned
  • 1/2 banana sliced
  • 2 teaspoons packed brown sugar
  • 1 Tablespoon creamy or crunchy peanut butter
  • 2 teaspoons flax seeds optional
  • 3/4 cup milk any kind you like with your cereal


  • Layer all ingredients in a mason jar, starting with the oats.
  • Add milk last.
  • Place lid on jar and shake well to combine the ingredients.
  • Place jar in fridge for overnight.
  • Enjoy in the morning!


The calories may vary. It depends what milk you use in this recipe. If it's 2% milk than the total calorie count (without the optional flax seeds) is 373.


Calories: 550kcal | Carbohydrates: 79g | Protein: 20g | Fat: 18g | Saturated Fat: 5g | Cholesterol: 18mg | Sodium: 184mg | Potassium: 841mg | Fiber: 10g | Sugar: 26g | Vitamin A: 295IU | Vitamin C: 5.1mg | Calcium: 254mg | Iron: 3.3mg