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High-Protein Peanut Butter Overnight Oats

A creamy and satisfying make-ahead breakfast featuring peanut butter, rolled oats, and Greek yogurt, perfect for busy mornings.
Prep Time 10 minutes
Total Time 8 hours
Course Breakfast, Snack
Cuisine American
Servings 2 servings
Calories 580 kcal

Ingredients
  

For the Base

  • 1 cup Rolled oats Base of the overnight oats, providing fiber.
  • 1 cup Milk of choice Dairy or plant-based milk like almond or oat milk.
  • 1/2 cup Greek yogurt Adds creaminess and protein boost.
  • 1 pinch Salt Balances flavors.

For the Flavor & Sweetness

  • 2 tablespoons Peanut butter Choose your favorite for flavor and healthy fats.
  • 1 tablespoon Honey or maple syrup Optional for sweetness.
  • 1/2 teaspoon Vanilla extract Enhances flavor.
  • 1/4 teaspoon Cinnamon Adds warmth and spice.

To Serve

  • 1 banana Sliced bananas For added sweetness and creaminess.
  • 1/4 cup Chopped nuts Almonds, walnuts, or pecans for crunch.
  • 2 tablespoons Chocolate chips For a sweet treat.

Instructions
 

Preparation

  • Gather rolled oats, milk, Greek yogurt, peanut butter, honey or maple syrup, vanilla, cinnamon, and a pinch of salt. Measure toppings and any optional add-ins like chia seeds or protein powder.
  • In a mixing bowl, combine rolled oats, milk, Greek yogurt, and a pinch of salt. Stir until well mixed and the oats are evenly moistened.
  • Add peanut butter and honey or maple syrup (if using) to the bowl. Stir until the peanut butter is fully incorporated and evenly distributed.
  • Stir in vanilla extract and cinnamon. If desired, mix in a scoop of protein powder for an extra protein boost. If adding chia seeds or flaxseed, stir them in here.
  • Transfer the mixture into a jar or airtight container. Seal tightly and refrigerate overnight or for at least 4–6 hours.

Serving

  • In the morning, stir the oats. If too thick, add a splash of milk to reach desired consistency. Top with sliced banana, chopped nuts, and chocolate chips before serving.

Notes

Use old-fashioned rolled oats for the best texture. Keep toppings separate until serving to preserve their crunch.
Keyword breakfast, High Protein, Meal Prep, overnight oats, Peanut Butter