Table of Contents


  • 1 tablespoon unsalted butter
  • 1 tablespoon granulated sugar
  • 1 tablespoon packed brown sugar
  • 1/8 teaspoon vanilla extract
  • Pinch of salt
  • 1 egg yolk
  • 1/4 cup all-purpose flour
  • 2 tablespoons chocolate chips


  1. Melt Butter: Place 1 tablespoon of unsalted butter in a microwave-safe mug. Microwave it for about 20 seconds or until the butter is completely melted.
  2. Add Sugars: Add 1 tablespoon of granulated sugar and 1 tablespoon of packed brown sugar to the melted butter. Stir well until the sugars are well combined with the butter.
  3. Add Vanilla and Salt: Stir in 1/8 teaspoon of vanilla extract and a pinch of salt. Mix until the ingredients are well incorporated.
  4. Add Egg Yolk: Add 1 egg yolk to the mixture and stir until smooth. Make sure to discard the egg white or save it for another recipe.
  5. Add Flour: Add 1/4 cup of all-purpose flour to the mug. Stir until the flour is fully incorporated, and no lumps remain.
  6. Add Chocolate Chips: Gently fold in 2 tablespoons of chocolate chips into the cookie dough mixture. Save a few chips to sprinkle on top if desired.
  7. Microwave: Microwave the mug on high for about 40-60 seconds, or until the cookie has risen and set in the middle. Cooking times may vary based on the wattage of your microwave, so keep an eye on it.
  8. Cool and Enjoy: Allow the cookie to cool for a minute or two before indulging. You can eat it directly from the mug or transfer it to a plate. Optionally, top it with a scoop of vanilla ice cream or a drizzle of chocolate syrup for extra decadence.

Enjoy your quick and easy chocolate chip cookie in a mug!

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