Hot Cocoa Cookies with Gooey Marshmallow Centers - Quickie Recipe

Ingredients

• 2 cups (250 g) all-purpose flour
• 1/2 cup (45 g) unsweetened cocoa powder
• 1/2 cup (60 g) dry hot cocoa mix
• 1 teaspoon baking soda
• 1/2 teaspoon baking powder
• 3/4 teaspoon fine salt
• 1 cup (226 g) unsalted butter, softened
• 3/4 cup (150 g) granulated sugar
• 1/2 cup (105 g) packed light brown sugar
• 2 large eggs, room temperature
• 2 teaspoons vanilla extract
• 1 cup (170 g) semisweet chocolate chips
• 12 large marshmallows, cut in half crosswise
• 2 tablespoons mini chocolate chips, optional
• 1 tablespoon unsweetened cocoa powder, for dusting, optional