Peanut Butter Cup Overnight Oats

Featured in: Holiday Breakfasts

These indulgent overnight oats combine creamy peanut butter and rich cocoa ganache for a breakfast that tastes like dessert. With 17g of protein per serving, they're made by layering rolled oats, Greek yogurt, and natural peanut butter with a silky chocolate ganache. Top with mini chocolate chips and let them chill overnight for a grab-and-go morning meal that's both nutritious and satisfying.

Updated on Fri, 30 Jan 2026 07:40:46 GMT
Thick layers of overnight oats with peanut butter and chocolate ganache in a jar. Save It
Thick layers of overnight oats with peanut butter and chocolate ganache in a jar. | zetluna.com

My mornings used to be a rush of spilled coffee and half-eaten toast until I started batch-prepping these oats on Sunday nights. The first jar I opened on a groggy Monday tasted like dessert for breakfast, and I actually looked forward to waking up. There's something about peeling back that lid and seeing the glossy cocoa swirl against creamy peanut butter oats that makes 6 a.m. feel less cruel. Now my fridge is never without at least two jars waiting for me. It's become my quiet little morning luxury that takes almost no effort.

I made a double batch for my sister when she stayed over, and she ate both jars before noon, then texted me for the recipe. She said it reminded her of the chocolate peanut butter smoothies we used to get after soccer practice, but better because you can eat it with a spoon. Now she preps them every week and swears they're the only reason she's not buying overpriced cafe parfaits anymore. It's funny how a simple jar of oats can become someone's new routine.

Ingredients

  • Old-fashioned rolled oats: These absorb the liquid perfectly overnight and stay creamy, not mushy like quick oats.
  • Milk of choice: I use unsweetened almond milk, but oat or dairy milk work just as well and add extra creaminess.
  • Plain Greek yogurt: This is what makes it thick and protein-packed; plant-based yogurt works too if you want it dairy-free.
  • Natural peanut butter: Go for the kind with just peanuts and salt so it doesn't overpower the sweetness.
  • Chia seeds: They thicken everything up and add a nice little nutritional boost without changing the flavor.
  • Maple syrup or honey: Just enough sweetness to balance the cocoa without making it candy-like.
  • Vanilla extract: A small splash deepens the flavor and makes it smell amazing when you open the jar.
  • Unsweetened cocoa powder: This creates that rich chocolate layer; don't skip it or use hot cocoa mix.
  • Mini chocolate chips: They melt slightly into the oats and give you little bursts of chocolate in every bite.
  • Chopped roasted peanuts: Optional, but they add crunch and make it feel more like an actual peanut butter cup.

Instructions

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Mix the oat base:
In a medium bowl, stir together oats, milk, yogurt, peanut butter, chia seeds, maple syrup, vanilla, and a pinch of salt until everything is well blended and creamy. It should look thick but pourable, like a smoothie batter.
Prepare the cocoa ganache:
In a small bowl, whisk cocoa powder, milk, and maple syrup until smooth and glossy with no lumps. Taste it; it should be rich and slightly sweet, like a liquid brownie.
Layer the jars:
Divide half the oat mixture between two jars, then spoon a layer of cocoa ganache over each, followed by the remaining oats. You'll see the dark chocolate ribbons through the glass, which makes it look bakery-pretty.
Add the toppings:
Sprinkle mini chocolate chips on top, and if you want extra texture, add chopped peanuts and a drizzle of peanut butter. Seal the jars tightly.
Chill overnight:
Refrigerate for at least 4 hours, but overnight is best so the oats soften completely and the flavors meld together. In the morning, just grab and eat straight from the fridge.
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A jar of Peanut Butter Cup Overnight Oats topped with mini chocolate chips. Save It
A jar of Peanut Butter Cup Overnight Oats topped with mini chocolate chips. | zetluna.com
A jar of Peanut Butter Cup Overnight Oats topped with mini chocolate chips. Save It
A jar of Peanut Butter Cup Overnight Oats topped with mini chocolate chips. | zetluna.com

One morning I was running late and ate mine in the car, and it hit me how much this little habit had changed my mornings. I wasn't stressed or hungry or grabbing junk from a drive-thru. Just a cold jar, a spoon, and five minutes of peace before the day started. It's not fancy, but it's become one of those small things that makes me feel like I have my life together, even when I don't.

Make It Your Own

This recipe is a base you can tweak endlessly depending on what you have or what you're craving. I've added a scoop of chocolate protein powder when I needed extra fuel before a workout, and it blended right in without changing the texture. Almond butter or sunflower seed butter work beautifully if you're avoiding peanuts. On weekends, I'll top mine with banana slices or fresh raspberries for a little brightness. The ganache layer can also be swapped for Nutella thinned with a splash of milk, though it's sweeter and less healthy.

Storage and Prep Tips

These jars keep perfectly in the fridge for up to four days, so I usually make a big batch on Sunday and have breakfast sorted through Wednesday. The oats stay creamy and never get slimy as long as you use the right ratio of liquid. If you're prepping multiple servings, layer them in individual jars with tight lids so you can just grab one each morning. I've also frozen them once, and while they thawed okay, the texture wasn't quite as good, so I'd stick to fridge storage.

Serving Suggestions

I eat mine straight from the jar with a spoon, but you can absolutely transfer it to a bowl and make it look fancy with extra toppings. A drizzle of melted peanut butter on top, a few whole peanuts, and a sprinkle of sea salt make it feel like a restaurant parfait. If you want it warm, microwave it for 30 seconds, though I honestly prefer the cold, creamy texture. It pairs perfectly with black coffee or a protein shake if you need even more fuel for the morning.

  • Top with sliced strawberries or blueberries for a fruity twist.
  • Add a handful of granola right before eating for extra crunch.
  • Serve with a side of scrambled eggs if you want a more filling breakfast spread.
Peanut Butter Cup Overnight Oats with creamy oats and a cocoa ganache layer. Save It
Peanut Butter Cup Overnight Oats with creamy oats and a cocoa ganache layer. | zetluna.com
Peanut Butter Cup Overnight Oats with creamy oats and a cocoa ganache layer. Save It
Peanut Butter Cup Overnight Oats with creamy oats and a cocoa ganache layer. | zetluna.com

This recipe taught me that taking care of yourself doesn't have to be complicated or time-consuming. Just a few minutes the night before, and you wake up to something that feels like a treat but actually fuels your whole morning. I hope it becomes one of those little rituals that makes your mornings easier and a little sweeter.

Common Questions About Recipes

Can I make these oats ahead for the week?

Yes, you can prepare up to 4-5 servings at once and store them in individual jars in the refrigerator. They'll stay fresh for up to 5 days, making them perfect for meal prep.

How do I make this dairy-free?

Simply substitute the Greek yogurt with plant-based yogurt and use your favorite non-dairy milk like almond, oat, or soy milk. The texture and flavor remain delicious.

Can I eat these oats warm?

While they're designed to be enjoyed cold, you can gently warm them in the microwave for 30-60 seconds if you prefer. Add a splash of milk to maintain creaminess when heating.

What if I don't have chia seeds?

You can omit the chia seeds or replace them with ground flaxseed. The oats will still thicken overnight from the rolled oats absorbing the liquid, though chia seeds add extra nutrition and texture.

How can I increase the protein content?

Add a scoop of chocolate or vanilla protein powder to the oat mixture, use extra Greek yogurt, or top with additional peanut butter and chopped peanuts for a protein boost.

What's the minimum chilling time needed?

While overnight is ideal, the oats need at least 4 hours to properly soften and absorb the liquid. For best texture and flavor development, aim for 6-8 hours of refrigeration.

Peanut Butter Cup Overnight Oats

Creamy peanut butter oats with cocoa ganache and chocolate chips. High-protein make-ahead breakfast.

Prep Time
10 mins
0
Overall Time
10 mins
Authored by Clara

Recipe Type Holiday Breakfasts

Skill Level Required Easy

Cuisine Type American

Recipe Output 2 Number of Portions

Dietary Needs Veggie-Friendly, Free of Gluten

The Ingredients You'll Need

Oats Mixture

01 1 cup old-fashioned rolled oats
02 1 cup milk of choice (dairy or unsweetened plant-based)
03 1/2 cup plain Greek yogurt or plant-based yogurt
04 2 tablespoons natural peanut butter
05 1 tablespoon chia seeds
06 1 tablespoon maple syrup or honey
07 1 teaspoon vanilla extract
08 Pinch of salt

Cocoa Ganache

01 2 tablespoons unsweetened cocoa powder
02 2 tablespoons milk of choice
03 1 tablespoon maple syrup or honey

Toppings

01 2 tablespoons mini chocolate chips
02 1 tablespoon chopped roasted peanuts (optional)
03 Additional peanut butter for drizzling (optional)

Step-by-Step Instructions

Step 01

Prepare Oat Base: In a medium mixing bowl, combine oats, milk, Greek yogurt, peanut butter, chia seeds, maple syrup, vanilla extract, and salt. Stir until fully blended and no dry ingredients remain.

Step 02

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

Step 03

Layer Components: Divide oat mixture between two jars or bowls. Layer with half the oat mixture first, then add cocoa ganache, followed by remaining oats.

Step 04

Add Toppings: Distribute mini chocolate chips evenly over each serving. Add chopped roasted peanuts and drizzle peanut butter if desired.

Step 05

Refrigerate: Cover containers and refrigerate overnight or for a minimum of 4 hours to allow oats to hydrate and flavors to develop.

Step 06

Serve: Consume directly from refrigerator. Stir if desired before eating.

Tools You'll Need

  • Mixing bowls
  • Whisk
  • Measuring cups and spoons
  • Jars or airtight containers

Allergy Information

Review each ingredient to identify allergens and consult an expert if needed.
  • Contains peanuts
  • Contains dairy from yogurt and milk
  • Contains soy if using soy milk
  • For nut allergies, substitute seed butter and verify chocolate chips are nut-free
  • Check all ingredient labels for hidden allergens

Nutritional Facts (Per Serving)

Keep in mind these details are for general guidance and shouldn't replace professional advice.
  • Caloric Content: 380
  • Fats: 15 grams
  • Carbohydrates: 44 grams
  • Proteins: 17 grams