Craving something sweet right now? Let me show you how to make Chocolate Cookies in the Microwave—yep, no oven needed! This super quick and easy treat uses simple ingredients like cocoa powder, brownie chunks, and white chocolate chips for a rich, gooey cookie you can enjoy in just minutes!
Want more microwave dessert ideas? Try these sweet favorites from Simply Bakings: Graham Cracker Mug Cake, Brownie Mug Cake, or Protein Mug Cake.

Jump to:
What is this recipe about?
This microwave chocolate cookie recipe is a game-changer for anyone who wants a warm, gooey treat fast. It’s designed for one serving, making it perfect for late-night cravings or when you just want a small, sweet bite.
Mug cookies have become super popular in the last few years thanks to their simplicity, and this one levels up with brownie chunks and white chocolate chips. It’s a single-serve dessert that's ready in less than 2 minutes!
Substitutions
- unsalted butter (1 tbsp) – use melted butter, vegan butter, or coconut oil
- egg yolk – substitute with egg whites, applesauce, or Greek yogurt
- unsweetened cocoa powder – use carob powder or chocolate protein powder
- brownie pieces – crushed cookies or chocolate chips
- white chocolate chips – swap with semisweet chocolate chips, dark chocolate, or chopped chocolate bar

Variations
- With oats – add a tbsp of quick-cooking oats for texture
- Nutty twist – mix in a cup of peanut butter or chopped nuts
- Dessert-style – top with a scoop of ice cream
- Double chocolate chip – mix in both cocoa powder and semisweet chocolate chips
Storage
- Eat Immediately – Best when fresh and warm
- Countertop – Can sit covered for up to 4 hours
- Fridge – Store for up to 2 days, reheat in the microwave for 10–15 seconds
- Freezing – Not recommended due to single-serve nature
Ingredients
- unsalted butter
- brown sugar
- white sugar
- egg yolk
- vanilla extract
- all-purpose flour
- unsweetened cocoa powder
- salt
- brownie pieces
- white chocolate chips
Instructions
In a mixing bowl or mug, grease the side with butter before starting to mix the ingredients.
After greasing the bowl or mug, add the brown and white sugar and mix until light and fluffy:

Add the egg yolk, vanilla extract and mix until well combined:

Add the all-purpose flour, unsweetened cocoa powder, salt and continue mixing:

Finally, add the brownie pieces and microwave for 1 minute and 20 seconds on high:

Add chocolate chips on top and serve immediately:

Yes, hurry to take your spoon and have a bite! Yum!
Top Tips
- If you want to keep this cookie longer, you can use a mug or bowl with a lid, or simply transfer it to an airtight container and place in the chiller.
- Do not overmix the ingredients to maintain its soft and chewy texture.
- You can mix in your favorite nuts like macadamia nuts, almonds, or even chocolate chunks. I am sure those will be delicious additions to this recipe.
FAQ
How to Make Chocolate Cookies in Microwave
Ingredients
- 1 tablespoon unsalted butter softened
- 1 tablespoon brown sugar
- 1 tablespoon white sugar
- 1 egg yolk
- ½ teaspoon vanilla extract
- 2 tablespoons all purpose flour
- 1 tablespoon unsweetened cocoa powder
- pinch salt
- 2 tablespoons brownie pieces
- 10-15 white chocolate chips
Instructions
- In a bowl or mug, grease the side with butter, then add the brown and white sugar and mix until light and fluffy. Add the egg yolk, vanilla extract and mix until well combined.
- Add the all purpose flour, unsweetened cocoa powder, salt and continue mixing. Finally add the brownie pieces and microwave for 1 minute and 20 seconds on high.
- Add chocolate chips and serve immediately.





Bonnie says
Make some more yummy and easy recipes! I love them, Lainey!
Lainey says
Hi Bonnie! Awww thank you so much for dropping by. Sure, I will make more yummy recipes for you Simply Bakers!
Julius says
This came out SO gooey and perfect, I can’t believe it was made in a microwave!! Thanks Lainey.