Cookie In a Cup

Ingredients: 

• 1 tablespoon butter
• 1 tablespoon white sugar
• 1 tablespoon dark brown sugar, firmly packed
• 3 drops of vanilla extract
• 1 pinch of salt
• 1 egg yolk
• 1/4 cup all purpose flour (slightly less than full)
• 3 tablespoon mini chocolate chips OR 2 tablespoons of regular chocolate chips

Directions:

Melt the butter in a coffee cup in the microwave. Add in the sugars and salt, mix well. Separate the egg yolk from the white. Discard the egg white, and then add the yolk to the coffee cup. Add the flour and chocolate chips, mix completely. 

Cook in the microwave for 40 to 60 seconds. Check for doneness at 40 seconds.