Chocolate Chip Cookie in a Mug Recipe

Introduction

This easy cookie in a mug recipe is perfect for when you want a warm, gooey treat in just minutes. It uses simple ingredients and the microwave for a quick, satisfying dessert that feels homemade.

A single round chocolate chip mug cake sits rising above the rim of a white mug, with a golden brown top showing pockets of melted dark chocolate chips scattered all over. The soft and moist cake has a crumbly texture on top where a small spoonful has been taken out, revealing a lighter yellow inside dotted with more dark chocolate chips. A white spoon near the mug holds the removed piece of cake with glossy melted chocolate dripping slightly. All this is set against a white marbled textured surface. photo taken with an iphone --ar 4:5 --v 7

Ingredients

  • 1 tablespoon unsalted butter
  • 1 tablespoon granulated sugar
  • 1 tablespoon packed light brown sugar
  • 1/8 teaspoon vanilla extract
  • 1 egg yolk
  • 3 tablespoons all-purpose flour
  • 1 1/2 tablespoons semisweet chocolate chips (plus more for topping)

Instructions

  1. Step 1: Place the unsalted butter in an 8-ounce microwave-safe mug. Microwave on high for about 30 seconds until the butter is fully melted.
  2. Step 2: Stir in the granulated sugar, light brown sugar, and vanilla extract until smooth.
  3. Step 3: Add the egg yolk and mix until well combined.
  4. Step 4: Stir in the all-purpose flour and semisweet chocolate chips. Sprinkle additional chocolate chips on top.
  5. Step 5: Microwave on high for 45 to 60 seconds until the cookie puffs slightly and looks set.
  6. Step 6: Let the cookie cool for about 1 minute before enjoying it warm.

Tips & Variations

  • Use a fresh egg yolk and measure flour carefully to avoid a dry cookie.
  • Try adding a pinch of salt or cinnamon for extra flavor.
  • Substitute semisweet chocolate chips with white or milk chocolate chips to change up the taste.
  • If you prefer a softer cookie, reduce the microwave time slightly.

Storage

This cookie is best enjoyed immediately for a warm, gooey texture. If you must store leftovers, cover the mug tightly and keep in the refrigerator for up to 1 day. Reheat briefly in the microwave until warm but not overcooked.

How to Serve

A close-up view of a soft, golden-brown chocolate chip muffin with a rough, crumbly texture, sitting inside a white cup. The muffin has dark melted chocolate chips scattered all over and some partially sunken into the top and side. The cup is placed on a white, ornate plate with a glossy finish. A small part of the muffin is broken off and resting to the left on the white marbled textured surface, next to a small bowl filled with dark chocolate chips in the lower right corner. The scene is bright with natural light, highlighting the moist inside of the muffin. photo taken with an iphone --ar 4:5 --v 7

Serve this delicious recipe with your favorite sides.

FAQs

Can I use a whole egg instead of just the yolk?

Using a whole egg may make the cookie more cake-like and less rich. The yolk provides a tender, chewy texture, so for best results, stick to one yolk.

What size mug should I use?

Use an 8-ounce (1 cup) microwave-safe mug to ensure the cookie cooks evenly and doesn’t overflow during microwaving.

Print

Chocolate Chip Cookie in a Mug Recipe

A quick and easy single-serving cookie made right in a mug using your microwave. This Cookie In A Mug recipe combines classic cookie flavors into a warm, delicious treat that’s ready in minutes — perfect for satisfying your sweet tooth without baking a whole batch.

  • Author: Clara
  • Prep Time: 5 minutes
  • Cook Time: 1 minute
  • Total Time: 6 minutes
  • Yield: 1 serving 1x
  • Category: Dessert
  • Method: Microwaving
  • Cuisine: American

Ingredients

Scale

Ingredients

  • 1 tablespoon unsalted butter
  • 1 tablespoon granulated sugar
  • 1 tablespoon packed light brown sugar
  • 1/8 teaspoon vanilla extract
  • 1 egg yolk
  • 3 tablespoons all-purpose flour
  • 1 1/2 tablespoons semisweet chocolate chips (plus more for topping)

Instructions

  1. Melt butter: Place the unsalted butter in an 8-ounce microwave-safe mug. Microwave on high for about 30 seconds until the butter is fully melted.
  2. Mix ingredients: Stir in the granulated sugar, light brown sugar, and vanilla extract until the mixture is smooth. Then add the egg yolk and mix until well combined. Finally, stir in the all-purpose flour and the semisweet chocolate chips, mixing evenly. Sprinkle additional chocolate chips on top for extra chocolaty flavor.
  3. Microwave to cook: Microwave the mug on high for about 45 to 60 seconds or until the cookie puffs slightly and appears set but still soft. Be careful not to overcook. Let the cookie cool for about 1 minute before enjoying your warm, gooey treat.

Notes

  • Use an 8-ounce microwave-safe mug to allow enough space for the cookie to rise.
  • Do not use the egg white in this recipe to achieve the best texture.
  • Microwave times can vary; start checking at 45 seconds and adjust as needed to prevent overcooking.
  • For a richer flavor, add a pinch of salt or cinnamon if desired.
  • Enjoy immediately for the best taste and gooey texture.

Keywords: Cookie in a mug, microwave cookie, easy dessert, single serving dessert, quick cookie recipe

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