Recipe with video instructions: We just turned your childhood favorite into your worst nightmare. Ingredients: For the pasta:, 3 tablespoons food grade activated charcoal powder, 8 ounces uncooked elbow macaroni, Salt for water, For the sauce:, 3 tablespoons unsalted butter, 2 tablespoons all-purpose flour, 2 tablespoons food grade activated charcoal powder, 1 cup whole milk, 1 cup cheddar cheese, shredded, Salt to taste