Name: Reese’s Peanut Butter Cup–Inspired Overnight Oats Recipe
Prep time: 10 min
Cook time: 1 min
Total time: 12 h 55 min
Cuisine: American
Ingredients: 2 cups old-fashioned rolled oats; 2 cups unsweetened almond milk; 1 cup whole-milk plain strained (Greek-style) yogurt; 1/3 cup crunchy natural peanut butter, well stirred; 2 tablespoons mini semisweet chocolate chips; 1 teaspoon vanilla extract; 3 tablespoons mini semisweet chocolate chips; 1 1/2 teaspoons unrefined coconut oil; 1/4 teaspoon flaky sea salt

Jump to Recipe· 4.4 from 50 reviews

If you love the classic, unbeatable combo of chocolate and peanut butter, you are in for a treat with this Reese’s Peanut Butter Cup–Inspired Overnight Oats Recipe. It perfectly blends creamy peanut butter, rich chocolate, and hearty oats for a breakfast that feels like dessert but delivers on nutrition and satisfaction. The magic lies in the layering of flavors and textures—from the smooth peanut butter-packed oats to the luscious, slightly firm chocolate topping sprinkled with flaky sea salt, making every bite a delightful surprise. This recipe is a game changer for anyone who wants a quick, make-ahead breakfast that tastes indulgently good without the guilt.

Ingredients You'll Need

Four glass jars with a beige creamy dessert inside, each topped with a thick, dark chocolate layer that drips down the sides. The chocolate layer is sprinkled with white flakes. One jar in the front is open with a spoon lifting some of the dessert, showing a soft, textured inside. Three spoons lie on a white marbled surface next to the jars, and the jars sit on a large white plate with dark specks. Photo taken with an iphone --ar 4:5 --v 7

This Reese’s Peanut Butter Cup–Inspired Overnight Oats Recipe keeps things simple with ingredients that are easy to find yet essential for creating its signature flavor and perfect texture. Each ingredient has a purpose, whether it’s adding creaminess, protein, or that irresistible chocolate-peanut butter harmony.

Old-fashioned rolled oats: Provide the perfect chewy, creamy base that absorbs all the flavors overnight.
Unsweetened almond milk: Keeps the oats moist without overpowering sweetness while making it dairy-light.
Whole-milk plain strained (Greek-style) yogurt: Adds protein and creaminess with a subtle tanginess.
Crunchy natural peanut butter: The star ingredient that delivers peanut butter flavor and texture, packed with protein and richness.
Mini semisweet chocolate chips: Split between the oats and the topping for layered chocolate goodness.
Vanilla extract: Enhances all the flavors with a warm, aromatic note.
Unrefined coconut oil: Helps create a shiny, firm chocolate layer on top.
Flaky sea salt: The finishing touch that balances sweetness and elevates every mouthful.

How to Make Reese’s Peanut Butter Cup–Inspired Overnight Oats Recipe

Step 1: Mix the Base Oats

Start by whisking together the oats, almond milk, Greek yogurt, crunchy peanut butter, 2 tablespoons of the mini chocolate chips, and vanilla extract in a large bowl. This mixture already hints at the classic Reese's flavor, with the peanut butter and chocolate mingling beautifully. Let it sit uncovered in the fridge for about 30 minutes to begin thickening — this short rest allows the oats to soften without getting too mushy.

Step 2: Prepare the Chocolate Topping

While the oats are chilling, melt the remaining 3 tablespoons of chocolate chips with the coconut oil. Use a microwave-safe bowl and heat in bursts of 45 to 60 seconds, stirring after each until the chocolate is completely melted and smoothly blended with the oil. This mixture will become the glossy, firm chocolate shell that recreates the peanut butter cup’s iconic top.

Step 3: Assemble and Chill Overnight

Divide the slightly thickened oat mixture evenly into four (8-ounce) jars. Spoon about 2 teaspoons of the melted chocolate mixture over the top of each jar, tilting each one to spread the chocolate layer evenly. Pop them back in the fridge uncovered for 10 minutes to allow the chocolate to set just a bit. Before sealing the jars, sprinkle the flaky sea salt to add a burst of flavor contrast. Cover the jars and refrigerate for at least 12 hours, or up to four days, so the oats become creamy and the chocolate topping hardens beautifully.

How to Serve Reese’s Peanut Butter Cup–Inspired Overnight Oats Recipe

The image shows seven small white bowls and a clear measuring cup arranged on a white marbled surface. The largest bowl at the top is filled with light beige rolled oats, full and layered evenly. Below it to the left is a bowl filled with smooth white yogurt. To the right of the oats is a bowl containing creamy tan peanut butter. Below the peanut butter is another small bowl filled with a coarse white substance that looks like salt. Below the yogurt and to the left is a tiny bowl with white coconut oil. Next to it on the right is a small bowl of dark brown chocolate chips. Above the chocolate chips and below the peanut butter is a tiny bowl holding amber-colored liquid vanilla extract. The measuring cup at the bottom right is filled with light beige liquid almond milk. The setup looks neat and organized, taken with an iphone --ar 4:5 --v 7

Garnishes

To make your Reese’s Peanut Butter Cup–Inspired Overnight Oats Recipe even more special, try adding a few creative toppings just before serving. A light drizzle of extra peanut butter or a sprinkle of chopped roasted peanuts adds an extra crunch, while a handful of additional mini chocolate chips on top can double down on that chocolatey goodness. Fresh banana slices or a dash of cinnamon provide a lovely twist that complements the rich flavors perfectly.

Side Dishes

Pair your overnight oats with fresh fruit like berries or orange segments for a refreshing contrast to the creamy oats. A glass of cold almond milk or a hot cup of coffee also pairs wonderfully, making your breakfast feel balanced and complete. If you want something heartier, a side of scrambled eggs or avocado toast can round out the meal without competing with the signature flavors of your oats.

Creative Ways to Present

To wow your breakfast guests or just brighten your morning, serve the oats in clear glass jars so everyone can admire the layers of creamy oats, peanut butter flecks, and shiny chocolate topping. You can also try layering the mixture with crushed graham crackers or granola for added texture. For a fun twist, swirl in some natural almond butter or sunflower seed butter. Presentation and little tweaks like these make the Reese’s Peanut Butter Cup–Inspired Overnight Oats Recipe feel like a special treat every time.

Make Ahead and Storage

Storing Leftovers

The beauty of this Reese’s Peanut Butter Cup–Inspired Overnight Oats Recipe is how well it stores. Keep leftover jars sealed tightly in the refrigerator, and they will stay fresh for up to four days. This makes it perfect for busy mornings when you want a nutritious, indulgent breakfast ready to go without any fuss.

Freezing

While these oats are best enjoyed fresh and chilled, you can freeze portions if needed. Use freezer-safe containers and plan to defrost in the refrigerator overnight. Keep in mind the chocolate topping may require a gentle re-melt or stir once thawed to restore its smooth texture.

Reheating

If you prefer your oats warm, simply remove the chocolate shell before heating. Warm the oats gently in the microwave or on the stovetop, then add fresh melted chocolate or peanut butter on top afterward to keep the signature texture and flavor intact. Reheating is a great option when you want cozy comfort food with minimal prep.

FAQs

Can I use creamy peanut butter instead of crunchy?

Absolutely! Creamy peanut butter will give the oats a silky texture, while crunchy will add little bursts of crunch. Both work wonderfully depending on your preference.

Is Greek yogurt necessary in this recipe?

Greek yogurt adds protein and helps create the creamy texture but can be substituted with dairy-free yogurt for a vegan-friendly version. Just make sure it’s plain and unsweetened.

Can I make this recipe without dairy?

Yes! Using unsweetened almond milk and a plant-based yogurt makes this recipe completely dairy-free while still maintaining its delicious creaminess and nutty flavor.

Why is flaky sea salt added on top?

The flaky sea salt perfectly cuts through the sweetness, balancing the flavors and enhancing the peanut butter and chocolate notes, just like in a classic peanut butter cup.

How long does the chocolate layer stay firm?

The chocolate topping should stay firm for the duration the oats are refrigerated, up to four days. If it softens, simply chill it again to re-harden before serving.

Final Thoughts

Making and enjoying this Reese’s Peanut Butter Cup–Inspired Overnight Oats Recipe is like giving yourself a little morning hug wrapped in chocolate and peanut butter. It’s an easy, satisfying way to start your day with wholesome ingredients that feel indulgent but are packed with nutrition. Whether you’re in a rush or savoring a slow weekend breakfast, these oats promise to make every bite a joy. Give it a try—you might just find your new favorite overnight oats recipe!