Chocolate Chip Mug Cookie - cooking recipe

Ingredients

1 tablespoon butter
1 tablespoon white sugar
1 tablespoon brown sugar, packed
1/8 teaspoon vanilla
1 pinch salt
1 egg yolk
3 1/2 tablespoons flour
1 tablespoon semi-sweet chocolate chips

Preparation

Melt butter in microwave. Add sugars, vanilla, salt, egg yolk and stir. Add flour, mix well until fully combined. Stir in chocolate chips. Microwave for 30-50 seconds depending on your microwave wattage.