Peppermint Brownies with Chocolate Frosting and Candy Crumble - Bake it Good

Ingredients

• 1 cup unsalted butter
• ½ cup semi-sweet chocolate chips
• 2 cups granulated sugar
• 4 large eggs
• 1 teaspoon pure vanilla extract
• ¾ cup unsweetened cocoa powder
• 1 cup all-purpose flour
• ½ teaspoon kosher salt
• ½ teaspoon baking powder
• ½ cup unsalted butter, softened to room temperature
• 2 cups powdered sugar
• 1 teaspoon peppermint extract
• 2 tablespoons milk, any variety
• 1 cup Ghirardelli dark chocolate melting wafers, melted
• ½ cup crushed peppermint candy