Shortcut boozy Kahlua brownies turn box brownies into an extra delicious treat. This is one of the best boxed brownie hacks out there and will turn any mix into an over the top treat.
Spray an 8x8 glass baking dish with nonstick spray.
While the oven is preheating, mix together the melted butter, egg, Kahlua and coffee.
Stir in the brownie mix and stir until combined.
Fold in chocolate chips.
Pour into the glass baking dish and bake for 40-45 minutes at 325. The brownies will appear slightly underdone but cool to doneness.
Let the brownies cool thoroughly.
For the Icing
When the brownies are cool, mix together with a hand mixer 3 tablespoons room temperature butter, 1/3 cup of Kahlua, and 3 tsp vanilla in a large bowl.
When the wet ingredients are combined, turn mixer off and add powdered sugar. Then mix on low speed until combined.
Spread over the cooled brownies and top with extra chocolate chips.