2 cups powdered sugar
1 cup cocoa (Dutch-process preferred)
2 1/2 cups powdered milk
1 teaspoon salt
2 teaspoons cornstarch
1 teaspoon cayenne pepper, more as desired

Combine all ingredients in a mixing bowl and incorporate evenly. Seal in an airtight container. Keeps indefinitely in the pantry.
Yield: 5 1/2 cups dry mix Prep Time: 5 minutes

(Good Eats)