High-Protein Peanut Butter Cup Overnight Oats

If your breakfast dreams involve peanut butter cups (who can blame you?), this one’s for you.

These High-Protein Peanut Butter Cup Overnight Oats are rich, chocolatey, creamy, and loaded with everything you love about the classic candy—but made into a wholesome, nourishing meal.

Packed with protein and healthy fats, they’ll keep you full, energized, and totally satisfied all morning long.

Dessert-Inspired Breakfast You Can Feel Good About

This Chocolate Peanut Butter Overnight Oats recipe tastes like dessert but fuels your day with protein-packed ingredients like Greek yogurt, protein powder, chia seeds, and oats.

Inspired by classic peanut butter cups, it’s rich, satisfying, and ideal for make-ahead breakfasts or post-workout snacks. With balanced macros and long-lasting energy, it’s a delicious way to stay on track.

What You’ll Need

  • 1/2 cup rolled oats
  • 1/2 cup unsweetened almond milk (or milk of choice)
  • 1/4 cup plain Greek yogurt (or plant-based high-protein yogurt)
  • 1 scoop chocolate protein powder
  • 1 tablespoon natural peanut butter
  • 1 teaspoon cocoa powder
  • 1 tablespoon chia seeds
  • 1–2 teaspoons maple syrup (optional, to taste)
  • 1/2 teaspoon vanilla extract
  • Pinch of sea salt

Optional Toppings:

  • Drizzle of peanut butter
  • Dark chocolate chips or cacao nibs
  • Crushed peanuts
  • Sliced banana
  • Extra Greek yogurt

Pro Tips

  1. Use a creamy peanut butter – Natural peanut butter with just peanuts and salt works best for blending and flavor.
  2. Taste before sweetening – Your protein powder might be sweet enough on its own, so add maple syrup only if needed.
  3. Stir again after 10 minutes – This helps evenly distribute the chia seeds and avoid clumps.
  4. Use a blender for mousse-like texture – Blend everything before refrigerating for a super smooth, pudding-style oat.
  5. Boost with toppings – Banana, peanut butter drizzle, and chocolate chips take this to the next level.

Tools You’ll Need

  • Mason jar or airtight container
  • Mixing bowl
  • Measuring cups and spoons
  • Spoon or spatula
  • Blender (optional for smoother texture)
  • Refrigerator

Substitutions and Variations

  • Dairy-free? Use a plant-based yogurt and protein powder.
  • Nut-free? Try sunflower seed butter instead of peanut butter.
  • No protein powder? Add extra Greek yogurt or 1–2 tablespoons powdered peanut butter.
  • More fiber? Mix in flaxseed meal or chopped dates.
  • Prefer less chocolate? Skip the cocoa powder and just use chocolate protein.

Make-Ahead Tips

These oats are made for prepping ahead. You can refrigerate them for up to 5 days, making them a convenient grab-and-go breakfast or snack. If making multiple servings, store them in separate jars for easy access.

Leave out any toppings that might get soggy (like banana or granola) until just before eating.

How to Make High-Protein Peanut Butter Cup Overnight Oats

1. Mix Wet Ingredients

In a bowl or jar, combine the almond milk, Greek yogurt, peanut butter, vanilla extract, and maple syrup (if using). Whisk until smooth.

2. Add Dry Ingredients

Stir in the rolled oats, chia seeds, cocoa powder, protein powder, and sea salt. Mix well until fully combined.

3. Stir and Let Sit

Let the mixture rest for 10–15 minutes, then stir again to prevent chia clumping. Seal the jar and refrigerate overnight.

4. Top and Serve

In the morning, give the oats a final stir and add your favorite toppings—drizzle with peanut butter, sprinkle chocolate chips or cacao nibs, add banana slices or crushed peanuts.

Leftovers and Storage

These oats will stay fresh in the refrigerator for up to 5 days in an airtight container. If they become too thick, stir in a splash of almond milk before eating. Store toppings like banana and granola separately to keep them from softening.

They also travel well, making them perfect for busy mornings or mid-afternoon pick-me-ups.

Protein-Packed, Chocolate-Lover Approved

With its decadent peanut butter cup flavor and powerhouse nutrition, this High-Protein Peanut Butter Cup Overnight Oats recipe proves you don’t have to choose between flavor and fuel. It’s sweet enough to feel like a treat but nourishing enough to get you through your busiest days.

Give it a try and let me know—did you add extra chocolate chips? Use almond butter instead? Layer it like a parfait? Leave a comment and share your favorite way to personalize this chocolatey, peanut buttery jar of goodness.

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