Baker's One Bowl Million Dollar Fudge

1/2 cup (1 stick) butter or margarine
4-1/2 cups sugar
1 can (13 oz.) evaporated milk
3 pkg. (12 oz. each) BAKER'S Semi-Sweet Chocolate Chunks
1 jar (7 oz.) JET-PUFFED Marshmallow Creme
3 cups PLANTERS Chopped Pecans
1 tsp. salt
1 tsp. vanilla

PLACE butter, sugar and milk in heavy 4-qt. saucepan. Bring to full rolling boil on medium heat, stirring constantly. Boil 5 min., stirring constantly to prevent scorching.
REMOVE from heat. Gradually add chocolate chunks, stirring until chocolate is completely melted. Add remaining ingredients; mix well.
POUR into greased 15x10x1-inch pan. Cool completely. Cut into 60 pieces.