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Chocolate chip cookie in a mug - a soft, chewy, deep dish cookie that's made in the microwave

Chocolate Chip Cookie in a Mug

This single serving, deep dish chocolate chip cookie in a mug is seriously gooey and delicious. Ready in under 5 minutes - is dangerously delicious and easy to make! 
Course Dessert
Cuisine American
Keyword Chocolate Chip Cookie in a Mug
Prep Time 3 minutes
Cook Time 1 minute
Total Time 4 minutes
Servings 1 cookie


  • 1 ½ tablespoons butter
  • 2 tablespoons brown sugar
  • 1 large egg yolk discard the white
  • teaspoon vanilla extract
  • 3 tablespoons all-purpose flour
  • 2 tablespoons chocolate chips


  • Add the butter to a large mug and microwave until melted.
  • Remove from the microwave and whisk in the brown sugar (I use a fork for this).
  • Ensure that the butter isn't too hot (otherwise, you'll scramble the egg), then whisk in the egg yolk and vanilla extract. 
  • Stir in the flour (the mixture should be thick like cookie dough), then stir in the chocolate chips.
  • Microwave on medium power (50-70%) for 60-90 seconds or until the top looks just set. Do not microwave on high power, otherwise, the cookie can become hard and the chocolate can burn. I check after 60 seconds to see, then add an extra 15 seconds as needed.
  • Enjoy immediately, optionally with a scoop of ice cream.