Mint Brownie Bites

for the brownies-

• 1 cup butter 2 sticks
• 6 oz bittersweet dark chocolate I used Scharffen Berger
• 5 tablespoons cocoa powder I used Scharffen Berger
• 2 cups granulated sugar
• 4 whole eggs
• 1 1/2 teaspoons vanilla
• 1/2 teaspoon baking powder
• 1 teaspoon salt
• 1 3/4 cup all purpose flour
• 48 Mint Truffle Hershey's Kisses plus more for garnish if desired

for the frosting-

• 1/2 cup butter softened
• 2 cups powdered sugar
• 1 teaspoon peppermint extract
• 1 teaspoon vanilla
• plash milk if needed
• green food coloring