
5-Minute Microwave Mug Cookie: The Ultimate Single-Serve Dessert
Craving a warm, gooey chocolate chip cookie but don't want to bake a whole batch? This 5-minute microwave mug cookie is the perfect single-serve dessert that's ready in seconds. It's soft, chewy, and absolutely irresistible.
Why You'll Love This Mug Cookie
There are days when only a warm, gooey chocolate chip cookie will do. But who wants to wait 30 minutes for a whole batch? This microwave mug cookie is the answer to your cookie cravings — ready in just 5 minutes, from start to finish. It's soft, chewy, and loaded with melty chocolate chips, all made in a single mug. No fuss, no mess, just pure cookie bliss.
Ingredients You'll Need
🛒 Ingredients Checklist
- 2 tbsp butter, melted
- 1 tbsp granulated sugar
- 1 tbsp packed brown sugar
- 1/4 tsp vanilla extract
- 1 large egg yolk
- 3 tbsp all-purpose flour
- 2 tbsp chocolate chips
- 1/8 tsp salt
How to Make a Mug Cookie in 5 Minutes
Making this mug cookie is as easy as it gets. Just melt your butter in a microwave-safe mug, then stir in the sugars, vanilla, and egg yolk until smooth. Add the flour and salt, and mix until just combined — be careful not to overmix. Fold in the chocolate chips, then microwave on high for 40 to 60 seconds. The cookie will look slightly underdone in the center; that's perfect. Let it cool for a minute, then dig in!
Microwave Mug Cookie
🥕Ingredients
Adjust servings above — amounts scale automatically. Tap an ingredient to check it off.
- 2 tbsp butter, melted
- 1 tbsp granulated sugar
- 1 tbsp packed brown sugar
- 1/4 tsp vanilla extract
- 1 large egg yolk
- 3 tbsp all-purpose flour
- 2 tbsp chocolate chips
- 1/8 tsp salt
📋Instructions
- 1
In a microwave-safe mug, melt the butter in the microwave for about 15 seconds.
- 2
Stir in the granulated sugar, brown sugar, vanilla extract, and egg yolk until smooth.
- 3
Add the flour and salt, and mix with a fork until just combined. Do not overmix.
- 4
Fold in the chocolate chips.
- 5
Microwave on high for 40 to 60 seconds. The cookie should be puffy and look slightly underdone on top.
- 6
Let cool for 1 minute before enjoying.
💡 Pro Tips
- •Use a microwave-safe mug that holds at least 8 ounces to prevent overflow.
- •If your mug cookie still seems too raw after 60 seconds, add 10-second bursts until set.
Nutrition per serving(based on original recipe — does not scale)
Pro Tip: Don't Overcook!
Microwave times vary, so start with 40 seconds. The cookie continues to cook as it cools. For a gooey center, pull it when it's still slightly soft on top.
Tips for the Perfect Mug Cookie
First, use a large mug to avoid overflow. The batter rises as it cooks, so give it room. Second, don't skip the egg yolk — it's the key to a chewy texture. If you don't have an egg yolk on hand, try 2 tablespoons of applesauce instead, but know the texture won't be as rich. Lastly, customize with your favorite mix-ins: white chocolate chips, chopped nuts, or even a drizzle of caramel.
Serving Suggestions
This mug cookie is heavenly on its own, but a scoop of vanilla ice cream on top takes it to the next level. You can also dust with powdered sugar or drizzle with melted chocolate. For a salty-sweet twist, sprinkle a tiny bit of flaky sea salt right after microwaving. It's the perfect late-night treat or a quick dessert when company drops by.
Frequently Asked Questions
❓ Frequently Asked Questions
Final Thoughts
This microwave mug cookie is a lifesaver when you need a sweet fix fast. It's simple, quick, and truly satisfies that cookie craving. Play around with add-ins and make it your own. Share your favorite variations in the comments below, and happy microwaving!

Written by
Elena RossiI'm Elena, a home cook turned recipe developer. At cooking word, I share simple, seasonal dishes inspired by my Italian roots and busy life.
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