Butterscotch Creme Fudge

1 1/2 cups granulated sugar
1/2 cup (1 stick) butter or margarine
1 small can Pet milk
1 (7 ounce) jar Marshmallow Cr?me
1 (12 ounce) package butterscotch chips
1 teaspoon vanilla extract
1 cup chopped nuts

Combine sugar, butter, milk and marshmallow cream in a large saucepan. Bring to a full boil; boil for 5 minutes. Remove from heat and add butterscotch chips, nuts and vanilla extract. Pour into greased 8-inch square pan. Chill in refrigerator until firm. Cut into squares.