Listed below are some of the ways in which leftovers may be used.
Egg yolks, in—
Baked custard
Cakes, cookies
Homemade noodles
Mock hollandaise sauce
Scrambled eggs
Egg whites, in—
Cakes
Meringue
Souffles
Hard-cooked egg or yolk, in—
Casseroles
Egg sauce
Garnish
Salads
Sandwiches
Thousand island dressing
Buttermilk, in—
Cakes, cookies
Quick breads
Sour cream, in—