Oats and peanut butter in glass jar, milk being poured in.

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!

Course Breakfast
Cuisine American
Keyword overnight oats, peanut butter oats
Prep Time 5 minutes
chilling time 1 day
Total Time 5 minutes
Servings 1 serving
Calories 550 kcal
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


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

Recipe Notes

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.

Nutrition Facts
Peanut Butter Overnight Oats
Amount Per Serving
Calories 550 Calories from Fat 162
% Daily Value*
Fat 18g28%
Saturated Fat 5g31%
Cholesterol 18mg6%
Sodium 184mg8%
Potassium 841mg24%
Carbohydrates 79g26%
Fiber 10g42%
Sugar 26g29%
Protein 20g40%
Vitamin A 295IU6%
Vitamin C 5.1mg6%
Calcium 254mg25%
Iron 3.3mg18%
* Percent Daily Values are based on a 2000 calorie diet.