Rocky Road Fudge
["1 c. milk chocolate chips", "1 c. semi-sweet chocolate chips", "2 Tbsp. margarine or butter", "1 (14 oz.) can sweetened condensed milk", "1 tsp. vanilla", "1 (10 oz.) pkg. miniature marshmallows", "2 c. pecans (optional)"]
["In heavy saucepan, over low heat, melt chips and margarine with condensed milk and vanilla; remove from heat.", "In large bowl, combine marshmallows and pecans if desired; stir in chocolate mixture.", "Spread in aluminum foil-lined 13 x 9-inch baking pan. Chill for 2 hours until firm.", "Remove from pan; peel off foil and cut into squares."]
["milk chocolate chips", "semi-sweet chocolate chips", "margarine", "condensed milk", "vanilla", "marshmallows", "pecans"]