Ingredients
- 1/2 cup butter
- 12 ounce bag semisweet chocolate chips
- 1 1/4 cups light brown sugar
- 3 large eggs
- 2 teaspoons vanilla extract
- 1/4 cup unsweetened cocoa powder
- 1 1/2 cups all-purpose flour
- 1 1/2 teaspoons baking powder
- 1/4 teaspoon salt
- 8 ounces semisweet baking chocolate, cut into 1 inch pieces
- 16 large marshmallows, cut in half
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