Spray 8-inch square pan with cooking spray. In 2-quart saucepan combine corn syrup and evaporated milk; add chocolate. Stirring constantly, cook over low heat until smooth. Remove from heat.

Add remaining ingredients. Beat with spoon until thick and glossy. Spread in pan. Chill 2 hours or until firm.

Marvelous Marble Fudge: Omit nuts. Prepare as directed above; spread in pan. Drop 1/3 c. Peanut butter over fudge in small dollops. With small spatula, swirl to marbleize. Chill.