Mint Brownies with Chocolate Ganache

INGREDIENTS

1/2 cup

butter

1/2 cup

oil

2 cups

granulated sugar

eggs

2 tsp

vanilla

1/4 tsp

mint extract

2/3 cup

cocoa powder

1 cup

all purpose flour

1/2 tsp

salt

1/2 tsp

baking powder

1/2 cup

butter softened

and ¾ cups powdered sugar

1 tbsp

heavy cream or milk

1/4

to ½ teaspoon mint extract

few drops green food coloring

2 cups

heavy cream

16 oz

bittersweet chocolate