Peanut Butter Cup Overnight Oats

Founder / Chef / Everyone’s Best Friend

Andy Hay

Welcome to my kitchen. I hope to inspire you to grow as a home cook!

I don’t say this lightly… but this peanut butter cup overnight oats recipe might be the reason you start looking forward to mornings.

They’re rich, chocolatey, packed with protein, and somehow still feel like a responsible adult breakfast. We’re talking creamy oats, a silky peanut butter layer, and a chocolate cap that cracks ever so slightly when you hit it with a spoon. It’s giving peanut butter cup energy — but in breakfast form.

If you’re into peanut butter overnight oats, or you’ve been searching for the ultimate peanut butter overnight oats recipe, this one deserves a permanent spot in your fridge.

Recipe

Peanut Butter Cup Overnight Oats

Peanut Butter Cup Overnight Oats

Ingredients:  

  • 1/3 cup Greek yogurt
  • 1 tsp maple syrup or honey
  • 2/3 cup milk
  • 1 tbs chia seeds
  • 1/2 cup oats
  • 1 1/2 tsp natural peanut butter

Instructions: 

  • Combine Greek yogurt, maple syrup, milk, chia seeds, and oats. Give it a good mix to fully incorporate all ingredients.
  • Evenly distribute your oat mixture into small mason jars.
  • Seal tight and let sit in the fridge for a minimum of 2 hours.
  • In two separate bowls, melt about 1 1/2 teaspoons of chocolate and peanut butter (1 1/2 teaspoons of each per jar).
  • Evenly spread your peanut butter on each jar, and then top it off with melted chocolate.
  • Place back in the fridge to set up overnight.
  • Don’t forget to rate this recipe and leave a comment!

Why These Peanut Butter Cup Overnight Oats Just Work

There’s a reason overnight oats peanut butter variations have taken over breakfast culture. They’re simple, customizable, and perfect for busy mornings.

This version keeps the ingredients tight and intentional. Creamy Greek yogurt, oats, milk, and chia seeds form the base. The chia seeds thicken everything overnight, giving you that perfect spoonable consistency.

The magic happens in the jar. Once mixed and sealed, the oats sit in the fridge and slowly absorb all the liquid, transforming into something thick and satisfying.

Two hours is the minimum, but overnight is ideal.

Peanut butter cup overnight oats in a mason jar with a coachable chocolate cap.
Breakfast or dessert? These peanut butter cup overnight oats are both.

Let’s Talk Texture

Texture matters with overnight oats.

The combination of yogurt and milk makes these ultra creamy. The oats soften without turning mushy. If you prefer thicker oats, reduce the liquid slightly. If you want them looser, add a splash of your favorite milk before serving.

This recipe uses regular oats, but you could experiment with old-fashioned oats or even quick oats depending on your preference. I wouldn’t recommend steel cut oats here unless you soak them much longer — they need extra time.

The chia seeds add structure and that classic overnight oats texture. They also bring a subtle boost of fiber and even some antioxidants to the mix.

Pouring the oat mixture into a mason jar before popping in the fridge over night.
Pour, seal, chill — that’s the whole peanut butter overnight oats recipe vibe.

The Peanut Butter Cup Vibes

Now let’s address the real reason you’re here: the topping.

Chocolate and peanut butter is undefeated. That classic peanut butter cup combination just hits different. The top layer of melted peanut butter and chocolate sets into a thin chocolate shell, giving you that crackly finish when you dig in.

For the peanut butter layer, use smooth, natural creamy peanut butter. You could swap for crunchy peanut butter if you like texture, or even try almond butter as a variation — but peanut butter gives that true Reese’s-style flavor of peanut butter we’re chasing.

When melting chocolate, a quick few seconds in the microwave works perfectly. You can also use a small bowl over simmering water if you prefer a gentle melt.

For an extra touch, sprinkle a pinch of flaky sea salt over the chocolate layer before it sets. It elevates the whole experience.

Cracking into a jar of peanut butter cup overnight oats in a mason jar.
The best part? That chocolate crack. Listen to it.

Protein Power Without Compromise

These chocolate peanut butter overnight oats sneak in serious protein thanks to the Greek yogurt base. If you want to boost it further, you can stir in a scoop of protein powder — just reduce the liquid slightly so the texture stays balanced.

Because they’re balanced with protein, healthy fats, and carbs, they keep you full for hours. No mid-morning crash.

And yes — they absolutely taste like dessert.

Sweetness & Customization

This recipe uses a touch of maple syrup for gentle sweetness. You can use pure maple syrup or honey. If you’re looking to reduce sugar, adjust to taste — it’s all about personal preference.

Want to lean more chocolatey? Add a sprinkle of regular cocoa powder into the base before chilling.

Prefer a dairy-free option? Swap the milk for unsweetened almond milk, unsweetened vanilla almond milk, or even coconut milk. Just keep the ratios similar so the oats absorb properly.

The beauty of a good overnight oats recipe is flexibility.

All the good stuff in one bowl — simple ingredients, big flavor.

Meal Prep Friendly & Travel Ready

One of my favorite things about these peanut butter overnight oats is how practical they are.

Make a few jars at once, seal them tight, and you’ve got breakfast ready to go all week. Store them in an airtight jar in the fridge and grab one on your way out the door.

They’re portable, satisfying, and way better than anything you’ll grab at a drive-thru.

Protein-packed and peanut butter obsessed — the ultimate peanut butter overnight oats moment.

Common Questions About These Peanut Butter Cup Overnight Oats

Can I use different milk?
Absolutely. Use your favorite milk — dairy or non-dairy both work.

Can I make this gluten-free?
Yes — just ensure your oats are certified gluten-free.

Can I heat them?
You can. If you prefer warm oats, pop the base (before the chocolate layer) in the microwave briefly. The topping is best enjoyed chilled for that classic chocolate shell effect.

Final Thoughts On These Peanut Butter Cup Overnight Oats

These peanut butter cup overnight oats are proof that breakfast doesn’t have to be boring. They’re indulgent without being heavy, protein-packed without tasting like gym food, and simple enough to prep in minutes.

If you love oatmeal recipes but want something that feels a little more fun, this is it.

Make a batch. Crack through that chocolate layer. And thank yourself tomorrow morning.

Peanut butter cup overnight oats in a mason jar with a crackable chocolate cap.
That spoon crack is your sign you nailed the overnight oats peanut butter game.

Other Recipes You Will Love!

Baked Oatmeal Recipe with Dates & Vanilla

Banana Oatmeal with Pecans: A Cozy 10-Minute Breakfast Treat

Carrot Cake Baked Oats 

Andy Hay

Andy is the founder of ECK, Chef, and let’s admit it… the reason you’re here. He taught himself to cook, and it all paid off when he secured his spot in the season 5 Finale of Master Chef Canada. Now, Andy uses his big energy to showcase recipes that actually make people want to cook. His brand was built on butter and East Coast charm, and Andy’s kept that same energy ever since. Off-camera, you’ll find him doing what started it all: cooking for his two daughters, wife and the people he loves.

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4 Comments

Alison M says:

Hi there. Love your recipes, and I’m looking forward to this making this one.

Does 25g of protein represent the entire recipe or a serving? If serving, how many “small jars” should I be distributing to?

Thanks!

Andy Hay says:

Great question! The 25g of protein is per serving, not for the whole recipe. The mixture is meant to be divided into 2 jars—so each jar is one serving with about 25g of protein.

Deb Nordeman says:

Hi Andy, I love your recipes and use them alot but I am wonderimg if you could start to include nutritional info with them. For a person trying to loose weight its hard to know whether I can or cant eat certain meals.
Thanks so much for your understanding and keep on cooking.

Andy Hay says:

Thanks so much for following along and for the kind words, Deb! I don’t provide full nutritional breakdowns right now, but a free online recipe calculator is a great way to plug in ingredients and get the info you need. That way you can tailor it to your exact brands and portions as well!

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