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Peanut Butter Protein Oatmeal Cups

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These chewy, nutty peanut butter protein oatmeal cups are a quick, high-protein snack made with just five simple ingredients. Perfect for breakfast, post-workout fuel, or a wholesome grab-and-go treat, they’re naturally gluten-free and easy to customize.

Ingredients

Scale
  • 2 cups old-fashioned rolled oats
  • 1/2 cup peanut butter (creamy or chunky)
  • 1/2 cup protein powder (vanilla or chocolate)
  • 3/4 cup milk (dairy or non-dairy)
  • 1/3 cup honey
  • Optional: 1/4 cup mini chocolate chips
  • Optional: 1/4 cup chopped nuts (walnuts or pecans)
  • Optional: 1 teaspoon ground cinnamon
  • Optional: 1/4 teaspoon sea salt

Instructions

  1. Preheat your oven to 350°F (175°C). Lightly grease a 12-cup muffin tin or line with parchment muffin liners.
  2. In a large mixing bowl, combine 2 cups rolled oats and 1/2 cup protein powder. Stir to distribute the powder evenly. Add cinnamon or salt if using.
  3. In a separate bowl (or on top of the dry ingredients), add 1/2 cup peanut butter, 3/4 cup milk, and 1/3 cup honey. Stir until smooth and well combined. Microwave peanut butter for 15 seconds if it’s too thick.
  4. Pour the wet mixture into the dry ingredients. Use a spatula to fold together until all oats are coated and the mixture is sticky but scoopable. Add a splash more milk if too dry.
  5. Fold in any optional mix-ins like chocolate chips, nuts, or seeds. Mix just until distributed.
  6. Divide the mixture evenly among the 12 muffin cups. Press down lightly with the back of a spoon. Fill each cup nearly to the top.
  7. Bake for 18-22 minutes, until edges are golden and tops feel set. Start checking at 18 minutes.
  8. Remove from oven and let cool in the pan for 5 minutes, then transfer to a wire rack to cool completely.
  9. If cups are crumbly, add more milk next time. If too soft, bake 2 minutes longer. If sticking, run a butter knife around the edges before removing.

Notes

For nut allergies, use sunflower seed butter. For dairy-free, use plant-based milk and vegan protein powder. Don’t overbake—centers should be just set. Store in an airtight container for up to 1 week in the fridge or freeze for up to 2 months. Add-ins like chocolate chips, nuts, or cinnamon are optional and customizable.

Nutrition

Keywords: peanut butter, oatmeal cups, protein snack, healthy snack, gluten-free, high protein, easy snack, meal prep, breakfast, kid-friendly

Find it online: https://realityeats.com/peanut-butter-protein-oatmeal-cups-recipe-easy-5-ingredient-snack/