Thin Mint Brownie Bars - Sprinkles & Sea Salt

Ingredients

• 1/2 cup (1 stick) unsalted butter
• 1 cup white sugar
• 2 large eggs
• 1 tsp vanilla extract
• 1/3 cup unsweetened dark cocoa powder
• 1/2 all-purpose flour
• 1/2 tsp sea salt
• 1/4 tsp baking powder
• 1/2 cup butter
• 3 cups confectioners’ sugar
• 6 tbs heavy cream
• 1 sleeve Thin Mints
• 2-3 drops green food coloring (optional)
• 4 oz pure semi-sweet chocolate
• 1/2 cup heavy cream
• 4 tbs unsalted butter