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Peanut Butter Banana Overnight Oats in a glass jar with banana slices and peanut butter drizzle

Peanut Butter Banana Overnight Oats


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  • Author: Lorena Kensley
  • Total Time: 5 minutes
  • Yield: 3 servings

Description

Creamy, protein-packed Peanut Butter Banana Overnight Oats made with just seven pantry staples. Perfect for busy mornings, weekly meal prep, and kid-approved breakfasts.


Ingredients

  • 1 cup old-fashioned rolled oats
  • 1 cup milk of choice (regular, almond, oat, or kefir)
  • 1 ripe banana, mashed (about ½ cup)
  • 2 tablespoons creamy peanut butter (natural, no added sugar)
  • 1 tablespoon pure maple syrup
  • 1 tablespoon flax meal or chia seeds (or ½ tablespoon each)
  • ½ teaspoon pure vanilla extract
  • Pinch of fine salt

Optional toppings: sliced bananas, extra peanut butter, chopped nuts, cacao nibs, cinnamon


Instructions

  1. Mash the banana in a medium bowl until smooth.
  2. Add oats, milk, peanut butter, maple syrup, flax or chia, vanilla, and salt. Stir until evenly combined and creamy.
  3. Divide the mixture among three jars, seal, and refrigerate for at least 4 hours or overnight.
  4. Stir before serving. Add a splash of milk to loosen if desired, then finish with toppings.

Notes

  • Use rolled oats for the best creamy-chewy texture. Quick oats get too soft and steel-cut won’t hydrate fully overnight.
  • For extra protein, stir in 2–3 tablespoons plain Greek yogurt or 1 scoop unflavored/vanilla protein powder: add a splash more milk if needed.
  • For vegan oats, use plant milk and maple syrup and confirm peanut butter is dairy-free.
  • For chocolate variation, mix in 1 teaspoon cocoa powder or a few dark chocolate chips before chilling.
  • Storage: Keeps 4–5 days refrigerated in sealed jars. Add fresh fruit right before eating for the best texture.
  • Freezer: Can be frozen up to 1 month in freezer-safe jars with headspace; thaw overnight in the fridge, then stir well.
  • Prep Time: 5 minutes
  • Category: Breakfast
  • Cuisine: American