Ingredients
Serves: 16 Bars
1 1/2 cups plus 2 tablespoons all-purpose flour
1/2 cup cocoa powder
1/2 cup white sugar
2 sticks butter, melted
Chocolate Buttercream:
1 cup unsalted butter, softened
3½ cups powdered sugar
½ cup cocoa powder
½ teaspoon table salt
2 teaspoons vanilla extract
4 tablespoons heavy cream
1/2 cup M&M candies
Preparation
