INGREDIENTS
1
cup(2 sticks) unsalted butter
8 oz
unsweetened chocolate, chopped
2 1/2 cups
granulated sugar
2 tsp
pure vanilla extract
4
large eggs, at room temperature
2 tsp
canola or vegetable oil
1 cup
all-purpose flour
1/2 tsp
salt
1
cup(2 sticks) unsalted butter, at room temperature
5 cups
powdered confectioner's sugar
3
drops green food coloring
4 tsp
mint extract
4 tbsp
milk or cream
1/2 tsp
salt
1/2
cup(1 stick) unsalted butter
1
cup(heaping) semi-sweet chocolate chips