S'mores Brownies - Lee's Marketplace

Ingredients

• 1/2 cup (1 stick) unsalted butter, melted
• 1 cup granulated sugar
• 2 large eggs
• 1 tsp vanilla extract
• 1/3 cup unsweetened cocoa powder
• 1/2 cup all-purpose flour
• 1/4 tsp salt
• 1/4 tsp baking powder
• 1 1/2 cups graham cracker crumbs
• 6 tbsp unsalted butter, melted
• 1 cup semi-sweet chocolate chips
• 1 1/2 cups mini marshmallows