Hot Cocoa Cookies - Chocolate Cookies with Marshmallows - Zest Plate

Ingredients

• 1/2 cup unsalted butter, cubed.
• 1 1/2 cups semi-sweet chocolate, chopped.
• 1 1/2 cups all-purpose flour.
• 1/4 cup unsweetened cocoa powder.
• 1 1/2 teaspoons baking powder.
• 1/4 teaspoon salt.
• 1 1/4 cups brown sugar.
• 3 large eggs.
• 1 1/2 teaspoons vanilla.
• 12 large marshmallows, halved.
• 1 cup powdered sugar.
• 2 tablespoons melted butter.
• 2 tablespoons cocoa powder.
• 2 tablespoons hot water.
• 1/4 teaspoon vanilla.
• Sprinkles for decoration.