Prepare and refrigerate as directed. Place additional 1 oz. BAKER'S Semi-Sweet Chocolate in small resealable plastic bag; seal bag. Microwave on HIGH 1 min. or until chocolate is melted. Fold down top of bag tightly; snip tiny piece off bottom corner of bag. Holding top of bag tightly, drizzle chocolate through opening over uncut fudge. Let stand until set.
Double-Chocolate Orange-Nut Fudge
Prepare as directed, stirring 1 tsp. orange zest into white chocolate mixture before using as directed.
Merry Mint Chocolate Fudge
Omit nuts. Prepare as directed, stirring 4 drops green food coloring and 1/4 cup crushed peppermint candies into white chocolate mixture before spreading over semi-sweet chocolate layer in pan, and sprinkling top of uncut fudge with additional 2 Tbsp. crushed peppermint candy before refrigerating.