Coffee Overnight Oats are a quick, high-protein, vegan breakfast that's creamy, delicious, and made for easy meal prep.
With rich coffee flavor and a satisfying texture, this no-cook breakfast keeps you full, energized, and fueled through busy mornings.
If you love protein-packed oatmeal, be sure to try my hemp seed overnight oats and chocolate overnight oats next.
Coffee overnight oats came from my love for mornings that start with a warm cup of coffee, so I thought, why not combine it with my go-to breakfast?
The oats turn out perfectly creamy with deep coffee notes, gentle sweetness, and a satisfying texture that feels like a treat straight from a café jar.
I make these on repeat because they're incredibly easy, fast to prep, and even more satisfying with vanilla protein mixed in.
If you enjoy easy overnight oats like this, you'll also love my chia overnight oatmeal, plant-based Snickers overnight oats, and maple and brown sugar overnight oats.
If you are a coffee lover, try my coffee chia pudding and peanut butter coffee smoothie.
Jump to:
☕Ingredients
- Rolled oats: Use old-fashioned rolled oats for the best texture. Quick oats work too, but make it softer.
- Coffee: Brewed or instant coffee both work. Use strong coffee for the richest flavor.
- Chia seeds: They thicken the oats and add fiber plus a creamy, pudding-like texture.
- Protein powder: I use vanilla plant-based protein for extra creaminess and staying power.
- Peanut butter: Unsweetened peanut butter is my go-to, but almond or cashew works well too.
- Maple syrup: Pure maple syrup gives natural sweetness and a subtle caramel flavor.
- Dairy-free milk: I use unsweetened almond milk, but oat, soy, or coconut milk works perfectly.
As always, you can find the full recipe with a list of ingredients with measurements in a printable recipe card at the end of this post.
🥄How To Make Coffee Overnight Oats
Mix dry ingredients: In a bowl or jar, combine the rolled oats, chia seeds, and protein powder.
Add wet ingredients: Pour in the coffee, dairy-free milk, peanut butter, and maple syrup, then stir until everything is well combined and creamy.
Chill: Cover and refrigerate for at least 4 hours or overnight for the oats to thicken and the flavors to meld.
📋Substitutions
- Chocolate version: Stir in 1-2 teaspoon cocoa powder or a handful of dairy-free chocolate chips.
- Spiced coffee: Sprinkle in cinnamon, nutmeg, or a pinch of cardamom for a cozy flavor boost.
💡Marinela's Tips
- Use strong coffee for a bold flavor, or adjust to taste if you prefer it milder.
- Stir well before chilling to prevent chia seeds from clumping.
- Add toppings like sliced bananas, cacao nibs, or nuts just before serving to keep them crunchy.
- Taste before serving and add more maple syrup if you like your oats sweeter.
❓Frequently Asked Questions (FAQ's)
Yes! Instant or brewed coffee both work-use strong coffee for the best flavor.
Absolutely! The oats will still be creamy and delicious, though adding protein makes them more filling.
They keep well for up to 3-4 days, making them perfect for meal prep.
📖 Recipe
Coffee Overnight Oats (Vegan & High-Protein)
Equipment
- 1 bowl or jar with a lid
Ingredients
- ⅓ cup rolled oats
- ½ cup coffee strongly brewed or instant coffee
- 1 tablespoon chia seeds
- 1 tablespoon natural peanut butter
- 2 tablespoons vegan protein powder
- 2 teaspoon pure maple syrup
- ¼ cup unsweetened almond milk or any plant milk
Instructions
- In a bowl or jar, combine the dry ingredients.⅓ cup rolled oats, 1 tablespoon chia seeds, 2 tablespoons vegan protein powder
- Pour in the coffee, dairy-free milk, peanut butter, and maple syrup, then stir until smooth and creamy.
- Cover and refrigerate for at least 4 hours or overnight.
Notes
Nutrition
If you try these coffee overnight oats, let me know! Leave a comment, rate it, and don't forget to tag a photo @go_eatgreen on Instagram.
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