
This luscious 3-minute chocolate mug cake blends rich cocoa with tangy Greek yogurt for a quick treat that tackles chocolate cravings without making a whole cake.
I came up with this one night when I desperately wanted something sweet but couldn't be bothered to bake a full cake. That first taste of the warm, gooey chocolate center told me I'd found my new favorite quick dessert trick.
Ingredients
- Whole wheat flour: Adds a nutty taste and more fiber than regular flour
- Unsweetened cocoa powder: Gives that deep chocolate kick without extra sugar; try Dutch-processed for a smoother flavor
- Baking powder: Makes your cake puff up nicely in the microwave
- Kosher salt: Brings out all the tastes, especially the chocolate
- Milk: Gets the batter just right; pick whatever type fits your diet
- Nonfat plain Greek yogurt: Packs in protein and keeps your cake moist
- Pure maple syrup: Sweetens naturally with more depth than sugar
- Peanut butter: Makes it richer and pairs wonderfully with chocolate
- Dark chocolate chips: Create amazing pockets of melty goodness throughout
Step-by-Step Instructions
- Mix Dry Ingredients:
- Put whole wheat flour, cocoa powder, baking powder, and salt straight into your microwave-safe mug. Stir them well now to avoid any bitter spots of baking powder or cocoa later. Break up any lumps in the cocoa with a fork for the best texture.
- Add Wet Ingredients and Combine:
- Add your milk, scoop in the Greek yogurt, pour in maple syrup, and drop in the peanut butter. It doesn't matter which goes first, but mixing well does. Use your fork to stir everything, making sure to check the bottom corners of the mug where dry stuff often hides. Last, mix in the chocolate chips so they're spread all through the batter.
- Microwave the Mug Cake:
- Set your mug on a paper towel just in case it bubbles over. Cook on high for about 90 seconds, keeping an eye on it. The cake will rise a lot but shouldn't spill over if your mug is big enough. You want the outside firm but the center a bit gooey. Since all microwaves work differently, you might need to tweak the time on your first try.
- Cool and Serve:
- Wait about three minutes before digging in. The cake keeps cooking from leftover heat and will set perfectly. This also stops you from burning your mouth on hot chocolate chips. When ready, the edges should feel springy while the middle stays soft like a brownie.

Greek yogurt really is the magic ingredient here. I found out how amazing it was when I grabbed it instead of sour cream by mistake for another dish, and couldn't believe how tender it made everything while adding protein. Now my husband asks for this instead of regular cake on his birthday.
Perfect Mug Selection
Look for a mug that holds at least 12 ounces with straight sides rather than angled ones. This gives your cake room to rise without making a mess. Ceramic mugs heat more evenly than glass, so your cake will cook better. Don't use mugs with metal designs or trim as they can cause sparks in the microwave.
Easy Variations
Switch things up by changing your add-ins. Try white chocolate chips with a bit of raspberry jam swirled in for a fruity option. Swap the peanut butter for Nutella to make it extra chocolatey. Mix in a teaspoon of instant espresso powder with the dry stuff for a coffee flavor. Around the holidays, add a tiny bit of peppermint extract and sprinkle crushed candy canes on top.
Make It Ahead
While it's tastiest right after cooking, you can get the dry ingredients ready beforehand. Mix all dry stuff in small containers or baggies to create ready-to-go mug cake kits. When you want dessert, just dump your premixed dry ingredients in a mug, add the wet items, and microwave. This setup saves time when you're really craving something sweet.

This simple mug cake shows you can have something delicious without spending hours in the kitchen.
Frequently Asked Questions
- → Can I use regular yogurt instead of Greek yogurt?
Sure, regular yogurt works too, but your cake might feel a bit different. Greek yogurt packs more protein and makes things denser. With regular yogurt, you might want to cut back on milk a tiny bit since it's runnier.
- → Is there a way to make this without a microwave?
You bet! Just pop it in a small oven-safe dish at 350°F for around 15-18 minutes. It'll turn out a little different, but still yummy. Stick a toothpick near the edge to check if it's done.
- → Can I make this dairy-free?
For sure, just grab some plant milk (almond, oat, or soy), non-dairy yogurt, and vegan chocolate chips. The nut butter and other stuff don't have dairy anyway, so it's an easy swap.
- → What can I substitute for maple syrup?
Honey, agave, or date syrup can take its place equally. If you want no sugar, try monk fruit or stevia, but watch out - they're sweeter so you'll need less than the maple syrup amount.
- → Why is my mug cake rubbery?
That happens from cooking too long or stirring too much. Try cutting your microwave time by 10-15 seconds, or just mix until everything comes together. Letting it sit for 3 minutes after cooking also makes it feel better in your mouth.
- → Can I prepare this in advance?
You can get the dry stuff ready ahead and keep it in your mug. When hunger strikes, just add the wet ingredients and zap it. It tastes way better when you cook it right before eating though, not hours earlier.