Lumps of Coal Recipe
- 1/4 cup butter
- 4 cups miniature marshmallows
- 1 (20 ounce) package chocolate sandwich cookies (such as Oreo®), crushed
- Butter a 9×13-inch baking dish.
- Melt butter in a large saucepan over low heat; add marshmallows and stir until melted. Cook and stir mixture for 2 minutes more. Remove saucepan from heat. Stir crushed cookies into marshmallow mixture until well coated.
- Press cookie mixture firmly into the prepared baking dish using a buttered spatula or waxed paper; cool. Cut into 2-inch squares.