Simple Peanut Butter Cups

Featured in Breakfast Worth Getting Up For.

Enjoy peanut butter oat cups that blend a chewy oat base and creamy peanut butter with a rich chocolate shell. They’re a fast, no-oven treat packed with wholesome elements. Play around with add-ins like pumpkin puree or fun toppings like sea salt. With protein from peanuts and fiber-packed oats, they’re satisfyingly hefty. Store in the fridge and grab as a simple dessert or snack anytime.
A woman wearing a chef's hat and apron.
Updated on Tue, 18 Mar 2025 22:30:55 GMT
Peanut butter and chocolate snack cups on a table. Pin it
Peanut butter and chocolate snack cups on a table. | mecooking.com

Turn basic kitchen staples into mouthwatering snacks with these mix-and-chill peanut butter oat cups that crush sugar cravings without any guilt afterward. These hearty cups mix the rustic crunch of oats with creamy peanut butter and decadent chocolate for a snack that tastes sinful while actually packing real nutrition. Unlike store-bought candy packed with added sugars and chemicals, these homemade goodies deliver good stuff like protein, fiber, and healthy fats in every tasty bite.

I stumbled on this idea during a brutal summer heat spell when I couldn't bear turning on my oven but really needed something sweet. My first batch vanished from my fridge in under 48 hours. They're now a standard part of my Sunday food prep routine.

Nourishing Base Components

  • Oat flour: Makes the sturdy foundation while boosting your fiber intake.
  • Peanut butter: Works as the glue and main taste while adding protein and good fats.
  • Maple syrup: Brings natural sweetness with deep flavor that works beautifully with the nutty taste.
  • Chocolate chips: Forms the delicious top layer that brings everything together.
  • Coconut oil: Makes the chocolate smooth and gives it that pretty shine.

Easy Assembly

Nutty Mix Base:
Stir peanut butter with maple syrup, then heat gently until blended.
Flour Mixing:
Slowly put in oat flour, mixing constantly until it looks like soft cookie dough.
Shaping Portions:
Scoop mixture into cupcake liners, pressing down firmly to create bases.
Chocolate Sauce Making:
Heat chocolate chips with coconut oil until completely smooth.
Putting It Together:
Drizzle melted chocolate over the oat bottoms and level off the surface.
Cooling Down:
Stick in the fridge for at least 2-3 hours until they're totally solid.

Tasty Twists

Make nutella-style cups by swapping in hazelnut butter instead of peanut butter. Turn them into fall favorites with a dash of pumpkin pie spice. Whip up tropical almond cups using almond butter and sprinkling some toasted coconut on the chocolate before it sets.

A stack of chocolate covered peanut butter cups. Pin it
A stack of chocolate covered peanut butter cups. | mecooking.com

Healthy Upgrades

Pump up the health factor with smart add-ins. Throw in some ground flaxseed or chia seeds for omega-3s and extra fiber. Mix in a scoop of plain collagen or protein powder. Fold in tiny bits of dried fruits like sour cherries or blueberries to get more antioxidants.

Pairing Ideas

Eat alongside fresh berries for a complete sweet treat. Break them up over some frozen yogurt for a quick dessert hack. Toss into lunch boxes for a better-for-you sweet option. Set them out on a fancy snack board with fruit, cheese, and extra chocolate for guests.

Keeping Them Fresh

Keep in a sealed container in your fridge for up to five days. Pop individual cups in the freezer by wrapping each in parchment and storing in a freezer bag for up to a month. Let frozen cups sit out for 10-15 minutes before you dig in.

I found out how tricky melting chocolate can be while running a kids' cooking class. One little guy overheated his chocolate and it got all grainy and thick. Instead of tossing it, we made chunky chocolate oat cups. Sometimes kitchen mess-ups lead to the tastiest surprises.

Chocolate covered peanut butter cups on a table. Pin it
Chocolate covered peanut butter cups on a table. | mecooking.com

Closing Thoughts

No-bake peanut butter oat cups are a simple, good-for-you, and totally satisfying snack that fits into any busy life. Whether you munch on them as a quick bite, after dinner sweet, or post-gym refuel, they nail that perfect balance between tasting great and doing good things for your body.

Frequently Asked Questions

→ Can I use natural peanut butter for this snack?
Yep, natural peanut butter works great! Just be sure to stir it well to mix in any separated oils. If it feels too dry, try adding a teaspoon or two of syrup to smooth things out.
→ Can I make this gluten free?
For sure! Stick to certified gluten free oats or oat flour, as regular oats might be processed alongside wheat. Check the rest of your ingredients, like chocolate chips, just to be certain.
→ What’s a good maple syrup replacement?
Honey is a great swap and gives a different flavor. Agave works too! For lower sugar, mix monk fruit sweetener with some water, but it might change the binding a little.
→ How do I make sure my mixture’s just right?
Your mixture should stick together but not be too wet or crumbly. If it holds its shape when pressed into a ball, you’re good to go! Too sticky? Add some more oat flour. Too dry? A bit of syrup or peanut butter fixes that.
→ Can I skip the chocolate topping?
Of course! You can mix mini chocolate chips into the oat layer, drizzle it with peanut butter, or sprinkle cinnamon sugar on top instead. All are tasty options.
→ Can I freeze them for later?
Absolutely! Pop them into an airtight box with parchment between layers, and they’ll keep up to 3 months. Thaw in the fridge or enjoy frozen—they thaw quickly in your mouth!

Peanut Butter Oat Cups

Creamy oat and peanut layers crowned with chocolate. A fuss-free snack that’s so good, you’ll keep coming back!

Prep Time
10 Minutes
Cook Time
~
Total Time
10 Minutes
By: Mariana

Category: Breakfast

Difficulty: Easy

Cuisine: American

Yield: 12 Servings (12 cups)

Dietary: Vegan, Vegetarian

Ingredients

→ Base Layer

01 1/4 cup of maple syrup
02 1.5 cups of fine oat flour (blend rolled oats until powdery)
03 1.5 cups creamy peanut butter

→ Chocolate Topping

04 1 tsp coconut oil (optional)
05 1 cup of chocolate chips

→ Optional Toppings

06 Chocolate chip minis
07 Salt flakes
08 Colorful sprinkles

Instructions

Step 01

Pop the maple syrup and peanut butter in a medium microwave-safe bowl. Heat for about 40-60 seconds until they loosen up. Stir well until smooth and evenly blended.

Step 02

Bit by bit, fold the oat flour into the warm peanut butter mixture. It’ll get thick quickly, so don’t rush. You can switch to a stand mixer if it’s tough to stir. If it’s too dry, drizzle in extra maple syrup or peanut butter a little at a time. For added softness, toss in 1/4 to 1/3 cup of pumpkin puree.

Step 03

Use cupcake liners to line the cups of a regular muffin tin. Better yet, use a silicone muffin pan for easy removal. Mini muffin tins or their silicone counterparts work great for bite-sized snacks.

Step 04

Scoop the peanut butter blend into the muffin cups, splitting it up evenly. Press it flat with your fingers so there’s a firm bottom layer with a slight dip in the middle for the chocolate topping.

Step 05

In another microwaveable bowl, combine the chocolate chips with the coconut oil if you’re using it. Heat in short 30-second bursts, stirring each time, until the chocolate melts completely and is silky smooth.

Step 06

Spread the melted chocolate over the peanut butter layer in each cup. Smooth it out with the back of a spoon. Sprinkle with your favorite toppings—like salt flakes, sprinkles, or tiny chocolate chips—before the chocolate hardens.

Step 07

Pop the muffin pan in the fridge and leave it for 2-3 hours until everything sets firmly. Once chilled, carefully lift the cups out of the pan. Keep them fresh in the fridge for up to 5 days in an airtight container.

Notes

  1. This treat mixes hearty oats with the classic peanut butter and chocolate combo for a yummy snack or sweet bite.
  2. Because of the maple syrup, these treats need to stay cold in the fridge, not at room temperature.
  3. Rolled oats are steamed before processing, so eating them raw isn’t a problem, unlike raw wheat flour.
  4. No oat flour on hand? Just grind rolled oats in a food processor into a fine powder.

Tools You'll Need

  • Silicone muffin pan or standard muffin tray
  • Liners for the muffin cups (not necessary for silicone)
  • Microwave-safe mixing bowls
  • A food processor to grind oats (if you don’t have oat flour)
  • Stand mixer (if mixing gets too hard manually)

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Includes peanut ingredients
  • Contains oats (only safe for those with celiac if gluten-free oats are used)
  • Chocolate chips might have dairy—double-check the label
  • Check for soy in the peanut butter or chocolate chips

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 320
  • Total Fat: 22 g
  • Total Carbohydrate: 27 g
  • Protein: 10 g