Peanut Butter Cup Overnight Oats

Featured in: Breakfast & Brunch

These overnight oats capture the essence of peanut butter cups with layers of creamy peanut butter-infused oats and rich cocoa ganache. Each jar delivers 22 grams of protein from Greek yogurt and protein powder, making it a satisfying breakfast that fuels your morning. The cocoa ganache adds indulgence without excessive sweetness, while toppings of mini chocolate chips and roasted peanuts provide the perfect crunch.

Prepare everything in just 10 minutes, refrigerate overnight, and wake up to a ready-to-eat breakfast that tastes like dessert but keeps you energized for hours.

Updated on Mon, 09 Feb 2026 14:01:00 GMT
Peanut Butter Cup Overnight Oats layered with creamy cocoa ganache in a clear jar, topped with chocolate chips and chopped peanuts for a decadent, healthy breakfast. Save
Peanut Butter Cup Overnight Oats layered with creamy cocoa ganache in a clear jar, topped with chocolate chips and chopped peanuts for a decadent, healthy breakfast. | berrycottage.com

My coworker Sarah brought these to our team breakfast last spring, and I watched everyone go quiet the moment they took that first spoonful—the kind of quiet that only happens when food is genuinely good. She'd layered peanut butter and chocolate so cleverly that it tasted like dessert pretending to be breakfast, but the protein numbers told the real story. I asked for the recipe that same afternoon, and now it's become my Sunday evening ritual, something I prepare while thinking about the week ahead.

There was this morning in October when I'd made these for an early hiking trip with friends, and my hiking buddy Marcus took a bite of his straight from the container and literally stopped walking to appreciate it. He asked if I'd bought it from some fancy cafe, which somehow felt like the ultimate compliment. That moment made me realize this wasn't just breakfast—it was something that made people pause and notice.

Ingredients

  • Old-fashioned rolled oats: They soak up the liquid without getting mushy, creating that creamy texture that feels indulgent but isn't.
  • Unsweetened almond milk: Keeps things light while helping everything meld together overnight—any milk works, but unsweetened lets the peanut butter shine.
  • Plain Greek yogurt: This is your secret weapon for protein and creaminess; the tanginess balances the sweetness perfectly.
  • Natural peanut butter: Use the kind with just peanuts and salt, no added oils or sugars, because the real stuff tastes so much better.
  • Honey or maple syrup: A touch of sweetness that feels intentional rather than heavy.
  • Vanilla extract: One teaspoon rounds out all the flavors so nothing tastes flat or one-dimensional.
  • Salt: A pinch enhances everything without making it taste salty.
  • Chia seeds: Optional but honestly worth it—they absorb liquid and add fiber, making the whole thing thicker and more satisfying.
  • Vanilla or chocolate protein powder: Adds another layer of protein if you want extra staying power, but it's genuinely optional.
  • Unsweetened cocoa powder: Use real cocoa powder, not hot chocolate mix, so the chocolate flavor is pure and deep.
  • Mini chocolate chips: They soften slightly overnight, melting into the ganache layer in the best way.
  • Chopped roasted peanuts: A final touch of texture and a gentle peanut flavor reminder on top.

Instructions

Product image
Soft, absorbent towels keep counters dry while cooking, wiping spills, and handling dishes during everyday recipe prep.
Check price on Amazon
Build your base:
In a bowl, combine your oats, milk, yogurt, peanut butter, sweetener, vanilla, and salt, stirring until everything looks creamy and holds together. If you're using chia seeds or protein powder, add them now and mix again so there are no dry pockets hiding at the bottom.
Make the ganache:
In a small bowl, whisk cocoa powder, maple syrup, and milk together until it's smooth and glossy—this only takes about thirty seconds of whisking, and you'll know it's right when it looks like it could pour but holds its shape.
Layer thoughtfully:
Divide half the oat mixture between your two jars, pressing it gently into the bottom. Spoon half the ganache on top of each, spreading it so it covers the oats evenly.
Build the second layer:
Top each jar with the remaining oat mixture, then finish with the rest of the ganache on top, which creates a beautiful contrast you'll see when you open the lid.
Add the toppings:
Sprinkle mini chocolate chips and peanuts over the ganache layer while it's still wet so they stick.
Chill and wait:
Cover your jars and refrigerate for at least four hours, though overnight is ideal—this is when the magic happens, as the oats absorb the liquid and everything becomes impossibly creamy.
Enjoy:
Stir well before eating to remix all the layers, or eat it as layered if you want the textural contrast. Either way, it's best served cold straight from the fridge.
Product image
Soft, absorbent towels keep counters dry while cooking, wiping spills, and handling dishes during everyday recipe prep.
Check price on Amazon
Save
| berrycottage.com

These oats have become my answer to that 6 AM moment when you're too hungry to wait but too tired to cook, and somehow that simple reality has made them feel special. There's something grounding about knowing breakfast is waiting, already made and beautiful, sitting in a jar in the fridge like a small promise to yourself.

Variations That Work Beautifully

Once you understand the layering concept, this recipe becomes a canvas. I've made versions with almond butter instead of peanut, swapping the cocoa layer for a simple vanilla yogurt and berry situation. A friend made a vegan version using coconut yogurt and dark chocolate ganache, and it was somehow even richer. The structure stays the same—oat base, flavor layer, oat top, ganache finish—so once you understand it, you can improvise based on what's calling to you that week.

Storage and Make-Ahead Magic

These keep beautifully for three days in the refrigerator, sealed tight, which is a major reason I make them on Sunday. The flavor actually deepens slightly as everything melds together, so day three tastes even better than day one. You can also freeze these for up to two weeks if you want to prepare even further in advance—just thaw in the fridge overnight before eating, and give them a stir to refresh the texture.

Customization That Makes Sense

The beauty of overnight oats is that they're forgiving enough to adapt to what you have and what you're craving. I've added granola for crunch, swapped milk types based on what was open, and once even layered in some cookie butter because I had a jar that needed finishing. The framework holds everything together, so you can play with toppings and flavor combinations without losing what makes this recipe work.

  • For extra crunch, add a handful of granola or cacao nibs on top right before eating so they don't get soggy.
  • If you prefer less sweetness, reduce the honey or maple syrup by half and let the peanut butter and cocoa do most of the flavor work.
  • A pinch of cinnamon or cayenne pepper in the ganache layer adds surprising depth if you want to take it somewhere unexpected.
Product image
Provides cushioned comfort while cooking, prepping meals, washing dishes, and standing longer in the kitchen.
Check price on Amazon
A close-up of Peanut Butter Cup Overnight Oats showing thick, swirled layers of oats and rich chocolate ganache, finished with mini chocolate chips for an extra treat. Save
A close-up of Peanut Butter Cup Overnight Oats showing thick, swirled layers of oats and rich chocolate ganache, finished with mini chocolate chips for an extra treat. | berrycottage.com

This breakfast has taught me that the best meals don't require last-minute effort—sometimes the kindest thing you can do for yourself is prepare something good when you have the time and space to do it right. Everything becomes easier when breakfast is already waiting.

Recipe FAQ

How long do these oats stay fresh?

These overnight oats stay fresh for up to 3 days when stored properly in airtight containers in the refrigerator. The oats actually develop better flavor and texture on the second day as the flavors meld together.

Can I make this vegan?

Absolutely. Substitute Greek yogurt with plant-based yogurt, use maple syrup instead of honey, and ensure your chocolate chips and protein powder are certified vegan. The texture remains just as creamy and satisfying.

What milk works best?

Unsweetened almond milk creates a neutral base that lets the peanut butter and chocolate shine, but any milk works beautifully. Oat milk adds creaminess, while coconut milk lends richness. Choose based on your taste preferences and dietary needs.

Do I need protein powder?

Protein powder is optional. Without it, each serving still provides about 16 grams of protein from Greek yogurt, peanut butter, and oats. Adding powder bumps it to 22 grams, making it more filling for active individuals or those wanting extra protein.

Can I heat these oats?

While designed to be eaten chilled, you can warm them gently in the microwave if preferred. Heat in 30-second intervals, stirring between each. The chocolate ganache will melt slightly, creating a hot fudge effect throughout the oats.

How do I prevent the oats from becoming too thick?

If you prefer thinner consistency, reduce chia seeds to 1 tablespoon or omit entirely. You can also add 2-4 tablespoons more milk when preparing. Before serving, stir well and add a splash of milk to reach your desired texture.

Peanut Butter Cup Overnight Oats

Creamy oats layered with chocolate ganache and peanut butter for a protein-packed breakfast.

💛 Little tip from my kitchen

Want to enjoy food and feel lighter?

While testing healthy recipes at home, I discovered a simple nutrition guide that helped me understand which everyday foods were quietly slowing fat loss.

It’s not a diet — just smarter food choices that work beautifully with homemade meals like the one you’re making today 🍽️

👉 Discover the guide here

*Affiliate link — I may earn a small commission at no extra cost to you.

Prep duration
10 min
Cook duration
240 min
Complete duration
250 min
Created by Lily Anderson


Complexity Easy

Heritage American

Output 2 Portions

Dietary considerations Meat-free, Without gluten

Components

Oats Mixture

01 1 cup old-fashioned rolled oats
02 1 cup unsweetened almond milk
03 3/4 cup plain Greek yogurt
04 3 tablespoons natural peanut butter
05 2 tablespoons honey or maple syrup
06 1 teaspoon vanilla extract
07 Pinch of salt
08 2 tablespoons chia seeds
09 1 scoop vanilla or chocolate protein powder

Cocoa Ganache Layer

01 2 tablespoons unsweetened cocoa powder
02 2 tablespoons pure maple syrup or honey
03 2 tablespoons milk of choice

Toppings

01 2 tablespoons mini chocolate chips
02 1 tablespoon chopped roasted peanuts

Directions

Direction 01

Prepare Oat Mixture: In a medium bowl, combine oats, almond milk, Greek yogurt, peanut butter, honey or maple syrup, vanilla extract, salt, chia seeds, and protein powder. Stir until well combined and creamy.

Direction 02

Create Cocoa Ganache: In a small bowl, whisk together cocoa powder, maple syrup or honey, and milk until smooth and glossy.

Direction 03

Layer First Oat Base: Divide half of the oat mixture between two jars or containers. Spread half of the cocoa ganache on top of the oats in each jar.

Direction 04

Complete Layering: Layer the remaining oat mixture over the ganache, then finish with the rest of the ganache on top.

Direction 05

Add Toppings: Sprinkle mini chocolate chips and chopped peanuts over the top of each jar.

Direction 06

Chill Overnight: Cover and refrigerate for at least 4 hours, or overnight, until thick and creamy.

Direction 07

Serve: Remove from refrigerator and serve chilled. Stir before eating if desired.

Necessary tools

  • Mixing bowls
  • Whisk
  • Measuring cups and spoons
  • 2 jars or containers with lids

Allergy information

Review each ingredient for potential allergens and seek professional medical advice if you have concerns.
  • Contains peanuts
  • Contains dairy
  • May contain soy from chocolate chips and protein powder

Nutritional information (per portion)

These values are estimates only and shouldn't replace professional medical guidance.
  • Energy: 410
  • Fats: 16 g
  • Carbohydrates: 50 g
  • Proteins: 22 g