One of my very favorite holiday treats growing up was the 7 layer bar. Some call it a magic bar but essentially, it's a graham cracker crust topped with chocolate and butterscotch chips, sweetened ...

Put oven rack in middle position and preheat oven to 350°F. Butter a 13- by 9-inch baking pan and line bottom with wax paper, leaving a 2-inch overhang on 2 ends, then butter paper. Beat whites in ...