I’ll be honest—I never thought I’d be the kind of person who meal preps breakfast. It always seemed like too much work for something I’d just inhale in five minutes while checking my email.

But then I discovered overnight oats, and everything changed. No cooking, no morning stress, just grab it from the fridge and go. The problem? Most overnight oats recipes left me starving by 10 a.m. That’s when I started playing around with adding protein powder and extra espresso to my favorite tiramisu-inspired version.

Now I’ve got a breakfast that actually keeps me full, tastes like dessert, and takes about three minutes to throw together the night before. If you love coffee and need something that’ll stick with you through a busy morning, this one’s for you.

Why You’ll Love This High Protein Tiramisu Overnight Oats

High protein breakfast – With protein powder and Greek yogurt, this breakfast keeps you full and energized throughout your morning without the mid-morning crash.
Make-ahead convenience – Prep it the night before and grab it straight from the fridge in the morning when you’re rushing out the door.
Dessert for breakfast – You get all the indulgent coffee and cocoa flavors of tiramisu in a healthy breakfast that feels like a treat.
Quick and easy – This recipe takes just 10 minutes to throw together with simple ingredients, no cooking required.

What Kind of Oats Should I Use?

Old-fashioned rolled oats are your best bet for overnight oats since they soften up nicely while still keeping some texture. Quick oats will work in a pinch, but they tend to get a bit mushier and less satisfying to eat. I’d skip steel-cut oats for this recipe though – they stay too chewy even after soaking overnight and won’t give you that creamy consistency you’re looking for. If you’re gluten-free, just make sure to grab certified gluten-free oats since regular oats can sometimes be processed in facilities that handle wheat.

Options for Substitutions

This recipe is pretty forgiving, so feel free to swap things around based on what you have:

Espresso: No espresso machine? Strong brewed coffee works just as well. You can also use instant espresso powder mixed with hot water – about 1 tablespoon powder per shot of espresso.
Almond milk: Any milk you prefer works here – regular dairy milk, oat milk, soy milk, or coconut milk all do the job. Just stick with the same amount.
Protein powder: You can use any flavor of protein powder, though vanilla or unflavored works best to keep that tiramisu taste. If you skip it entirely, add a bit more yogurt to keep the creamy texture.
White chocolate: Regular chocolate chips or dark chocolate work if you don’t have white chocolate on hand. You could also use a drizzle of honey or maple syrup for sweetness instead.
Yogurt: Greek yogurt, regular yogurt, or even cottage cheese (blended smooth) all work. For a dairy-free version, try coconut yogurt or cashew yogurt.
Chia seeds: Ground flaxseed makes a good substitute if you’re out of chia seeds. Use the same amount and it’ll help thicken your oats overnight.

Watch Out for These Mistakes While Making

The biggest mistake with overnight oats is not using enough liquid, which leaves you with a dry, clumpy breakfast instead of creamy oats – if your mixture looks too thick after stirring, add an extra splash of almond milk before refrigerating.

When melting white chocolate, resist the urge to microwave it for too long at once, as it can seize up and become grainy; stick to those 30-second intervals and stir well between each round until it’s just melted.

Another common error is adding the yogurt topping too early in the process – wait until your oat base has chilled for at least an hour first, so the layers stay distinct and don’t blend together into one mushy texture.

Finally, don’t skip the minimum 4-hour chill time, as the chia seeds and oats need that time to fully absorb the liquid and develop the right consistency.

What to Serve With High Protein Tiramisu Overnight Oats?

These overnight oats are pretty filling on their own thanks to all that protein, but I love pairing them with fresh berries on the side for a little extra sweetness and some vitamin C to start the day. A handful of almonds or walnuts adds a nice crunch and even more protein if you’re really hungry or heading into a busy morning. If you’re making this for breakfast meal prep, consider serving it alongside a hard-boiled egg or two for a more balanced meal that’ll keep you full until lunch. Sometimes I’ll also add a drizzle of honey or maple syrup on top if I’m craving something a bit sweeter, though the white chocolate already gives it plenty of dessert vibes.

Storage Instructions

Refrigerate: These overnight oats are meant to be made ahead, so just keep them covered in the fridge for up to 4 days. I usually make a few jars at the start of the week so I have breakfast ready to grab and go. They actually taste better after sitting overnight since the oats get nice and creamy.

Prep Ahead: You can easily double or triple this recipe and portion it into individual mason jars or containers. Just wait to add the cocoa powder topping until right before you eat so it doesn’t get soggy. I like to keep a small container of cocoa powder at work for a fresh dusting.

Serve: These oats are best enjoyed cold straight from the fridge. Give them a good stir before eating, and add an extra splash of almond milk if they’ve thickened up too much overnight. You can also top with extra yogurt or white chocolate chips if you’re feeling fancy.

Preparation Time	10-15 minutes
Cooking Time	0-0 minutes
Total Time	10-15 minutes
Level of Difficulty	Easy
Servings	1 serving

Estimated Nutrition

Estimated nutrition for the whole recipe (without optional ingredients):

Calories: 310-370
Protein: 17-23 g
Fat: 9-13 g
Carbohydrates: 38-45 g

Ingredients

For the oats:

2/3 cup oats (I always use Quaker Old Fashioned for the best texture)
1 tsp chia seeds
3/4 scoop protein powder
3 fl oz espresso (brewed and cooled to room temperature)
1/4 cup almond milk
1 tsp maple syrup or preferred sweetener

For the topping:

2 tbsp white chocolate (melted and cooled slightly)
1/3 cup yogurt (I prefer Fage 2% for a thick, creamy consistency)
1.5 tbsp espresso
cocoa powder (dusted over the top just before serving)

Step 1: Prepare the Base Mixture

2/3 cup oats
1 tsp chia seeds
3/4 scoop protein powder
3 fl oz espresso
1/4 cup almond milk
1 tsp maple syrup

In a mason jar or container, combine the oats, chia seeds, protein powder, cooled espresso, almond milk, and maple syrup.

Stir well to combine all ingredients evenly, breaking up any clumps of protein powder.

This base mixture will hydrate and thicken overnight as the oats absorb the liquid.

Make sure everything is well incorporated so the protein powder doesn’t settle at the bottom.

Step 2: Create the Espresso-Chocolate Topping

2 tbsp white chocolate
1/3 cup yogurt
1.5 tbsp espresso

While the base mixture will chill, melt the white chocolate in the microwave using 30-second intervals, stirring between each interval to prevent overheating and ensure smooth, even melting.

Once cooled slightly to room temperature, fold the melted white chocolate into the yogurt along with the espresso, stirring gently until you have a creamy, well-combined topping.

I like to fold rather than vigorously stir to keep the yogurt light and airy.

Step 3: Assemble and Chill Overnight

base mixture from Step 1
espresso-chocolate topping from Step 2

Pour the white chocolate-yogurt topping over the oat base mixture from Step 1, gently spreading it evenly across the surface.

Don’t stir—you want the layers to stay distinct, similar to traditional tiramisu.

Cover the jar and refrigerate for at least 4 hours, though overnight (8+ hours) is ideal as it allows the flavors to meld and the oats to reach the perfect creamy texture.

The longer it sits, the better the espresso and chocolate flavors will develop.

Step 4: Finish and Serve

cocoa powder

Remove the jar from the refrigerator and give it a gentle stir to combine the layers just before eating.

Dust the top generously with cocoa powder for that classic tiramisu finish and an extra boost of flavor.