Chocolate Kahlua Cookies with Cafe au Lait Frosting

INGREDIENTS

For the Cookies:

1 cup

unsalted butter

1 cup

packed light brown sugar

1/2 cup

granulated sugar

eggs

1 tsp

vanilla

1 tbsp

Kahlua

2 1/2 cups

all purpose flour

3/4 cup

unsweetened dark cocoa powder

1 tsp

baking soda

1/4 tsp

salt

1 1/2 cups

semi-sweet mini chocolate chips

For the Frosting:

6 tbsp

unsalted butter, softened

3 cups

powdered sugar

1 tsp

vanilla

2 tbsp

brewed coffee, cooled

1 tbsp

milk