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Home » Recipes » Oatmeal

Peanut Butter Banana Overnight Oats

By Laura Fuentes Updated Jan 19, 2026

5 from 3 votes

Recipe

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Make a healthy breakfast that tastes like a treat with this easy recipe for peanut butter banana overnight oats.

These overnight oats with peanut butter and banana are a creamy, satisfying, and delicious way to start a new day!

a jar or peanut butter banana overnight oats with sliced banana and chopped pecas on top

Overnight Oatmeal with Peanut Butter 

For mornings when I crave the deliciousness of my peanut butter pancakes and the convenience of a portable jar of creamy overnight oats, nothing can beat these peanut butter banana overnight oats.

After seeing my family devour these chocolate & PB overnight oats, I decided to give a swap and use that sad, ripe banana in the fridge to add natural sweetness and extra fiber to our oatmeal.

Ingredients 

This breakfast is made with old-fashioned oats, a mashed ripe banana, peanut butter, milk, and a little vanilla for dessert flavor.

How to Make Peanut Butter Overnight Oats 

  1. Divide the ingredients between two jars. Stir to combine.
  2. Refrigerate for 8 hours or overnight to allow the oats to soak.
  3. Enjoy the oatmeal cold from the fridge or warm it up a little in the microwave.

Old-fashioned oats (rolled oats) are the best for overnight oats since they hold their texture better. While quick oats also work, they soften much more, resulting in a creamier consistency that’s almost mushy.

Other Healthy Mix-Ins 

Add more nutrition to your overnight oats with these tasty mix-in ideas:

  • Fresh fruit (½ cup) sliced or diced
  • Nuts, seeds, dried fruit: (1 teaspoon) for healthy fats
  • Flaxmeal, Chia, hemp seeds (½ - 1 teaspoon) add protein, fiber, and omegas
  • Protein powder (1 tablespoon) for extra protein

Peanut Butter Banana Overnight Oats

a jar or peanut butter banana overnight oats topped with sliced bananas and chopped pecans
Servings: 2
Prep Time: 5 minutes mins
Chill: 8 hours hrs
Make a healthy breakfast that tastes like a treat with this easy recipe for peanut butter banana overnight oats.
5 from 3 votes
Print Pin

Ingredients

  • 1 cup old-fashioned oats
  • 1 ripe banana, mashed
  • 4 teaspoons peanut butter
  • 1 ½ cups milk
  • ½ teaspoon vanilla

Instructions

  • Place two jars on the counter and fill each with ½ cup oats, ½ of the mashed banana, 2 teaspoons of peanut butter, ¾ cup of milk, and ¼ teaspoon vanilla. With a spoon, stir to combine well and cover with a lid.
  • Refrigerate for 8 hours or overnight.
  • In the morning, stir to combine, top with your favorite toppings. Enjoy cold or warmed in the microwave for 30 seconds to 1 minute.

Equipment

two jars of overnight oats with spoons
Overnight Oats Jars with Spoon
Wide-Mouth Mason Jars

Nutrition

Serving: 1 jar | Calories: 323kcal | Carbohydrates: 54g | Protein: 15g | Fat: 6g | Saturated Fat: 1g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 2g | Cholesterol: 6mg | Sodium: 132mg | Potassium: 732mg | Fiber: 6g | Sugar: 18g | Vitamin A: 413IU | Vitamin C: 5mg | Calcium: 270mg | Iron: 2mg

More Oatmeal

  • a bowl of oatmeal topped with Greek yogurt, peanut butter, and strawberries
    Greek Yogurt Oatmeal
  • a jar of cinnamon roll overnight oats
    Cinnamon Roll Overnight Oats
  • a jar of high protein overnight oats topped with strawberries
    High Fiber Overnight Oats
  • a jar of flaxseed overnight oats
    Flaxseed Overnight Oats

Comments

    5 from 3 votes

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    Recipe Rating




  1. Taylor says

    February 05, 2026 at 9:03 am

    5 stars
    These tasted so indulgent! Can’t get enough of peanut butter & banana!

    Reply
  2. Whitney says

    January 14, 2026 at 8:55 pm

    5 stars
    These peanut butter overnight oats made my breakfast feel like a treat! Thanks for this idea

    Reply
  3. Jean says

    January 08, 2026 at 9:16 am

    5 stars
    Brillian idea to combine overnight oats with peanut butter and banana. Can’t wait to try it!

    Reply
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