Double Chocolate Fudge

1 can (14 oz.) sweetened condensed milk
2 cups (12 oz.) semisweet chocolate chips
1 oz Unsweetened chocolate
1 teaspoon Vanilla
1 1/2 cup Chopped nuts

1. Butter baking pan, 8 x 8 x 2 inches. Stir milk and chocolate chips in 2-quart casserole; add chocolate. Microwave uncovered on high (100%) 1 minute; stir. Microwave until chocolate is melted and mixture can be stirred smooth, about 2 minutes longer.

2. Stir in vanilla and nuts. Spread mixture evenly in pan. Refrigerate until firm. Cut into 1-inch squares.