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–+ servings
Bowl of peanut butter banana overnight oats on marble table near window soft morning light.

Peanut Butter Banana Overnight Oats

Prep Time: 10 minutes
Cook Time: 0 minutes
Chill Time: 6 hours
Total Time: 6 hours 10 minutes
Servings: 2 to 3 people
Author: Nico Pallotta

  • 1 cup (100 g) rolled oats
  • 1 large ripe banana mashed until smooth
  • 1 cup (240 g) Greek yogurt full-fat or nonfat
  • 1 cup (240 g) milk any kind
  • 3 tablespoons (50 g) peanut butter 100% natural, well stirred
  • 1 tablespoon (20 g) honey or maple syrup (optional)
  • 1 teaspoon cinnamon

  • Mash and mix: Peel 1 large ripe banana and put it in a bowl. Mash it with a fork until mostly smooth (a few lumps are okay).
    Add 3 tablespoons peanut butter and mix until creamy.
    Step 1 Peanut butter stirred into mashed banana until smooth and blended.
  • Add wet ingredients: Add 1 cup Greek yogurt, 1 cup milk, 1 tablespoon honey (optional), and 1 teaspoon cinnamon.
    Stir or whisk until smooth, with no peanut butter lumps.
    Step 2 Yogurt milk and cinnamon mixed into banana peanut butter creating creamy mixture.
  • Add oats and chill: Stir in 1 cup rolled oats until everything is well mixed and no dry spots remain.
    Spoon into jars or leave in the bowl, cover, and refrigerate for at least 6 hours or overnight.
    Step 3 Rolled oats stirred into mixture until fully coated and thick.
  • Stir and serve: Stir the oats in the morning. If too thick, add a splash of milk and mix again.
    Add toppings like banana slices or peanuts. Eat cold, or warm briefly in the microwave.
    Step 4 Serving overnight oats in a bowl with peanut butter and banana.
Substitutions
  • Rolled oats → Quick oats (softer texture) or gluten-free oats
  • Banana → Mashed applesauce or pumpkin puree
  • Greek yogurt → Low-fat Greek yogurt, Skyr, or dairy-free yogurt
  • Milk → Dairy milk, almond, soy, or oat milk
  • Peanut butter → Almond butter, cashew butter, or sunflower seed butter
  • Honey or maple syrup → Mashed dates or skip if banana is very ripe
  • Cinnamon → Pumpkin spice or a pinch of nutmeg
 
Tips
  • Use 100% natural peanut butter for best flavor, texture, and nutrition
  • Mash banana very well for extra creamy oats
  • Taste before chilling and adjust sweetness if needed
  • Let oats rest at least 6 hours for best texture
  • If too thick, add a splash of milk and stir
  • Always stir before serving to make it creamy again
  • Make it your own: add chia, flax, or protein powder
  • For plant-based, use dairy-free yogurt + milk
  • Storage: keep covered in the fridge up to 3 days
 
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