Makes 2 long pans, enough for 70-100 servings, depending on how you cut it and how hungry folks are! You could probably stretch the batter into 3 long pans if necessary, for less-tall cakes that bake more quickly.
If you want to make a single 9x13" sheet cake, just use 1/4 of the ingredients and bake for slightly less time.
10.5 cups (1575 g.) All-purpose flour
6 cups (1350 g.) Granulated sugar
3 cups (340 g) Dutch process cocoa
6 Tbs. Baking soda
3 Tbs. Salt
Serves ~70 (with side and salad) --3 long pans
25 medium potatos, sliced and roasted with oil, salt and pepper
7 dozen eggs
9 cups milk
couple tsp. salt
pepper
parsley
15 sauteed onions
salt
garlic
little bit of red pepper flakes
Italian herbs (just a bit)
4 bunches broccoli, steamed
5 pounds cheddar, shredded
350f convection COVERED for 45 mins; uncovered for 15-30 minutes more
40 servings
4lbs, (8 1/2 cups) dry black beans
3/4 cup canola oil
1/4 cup + 1 1/2 teaspoons grated fresh ginger
15 cloves garlic, minced
1/2 teaspoon cayenne
1.5 pounds (2 ¼ qts) onions, chopped
3 tablespoons cumin
3 cups celery
3 cups green peppers
1 tablespoon thyme
9 pounds yams, peeled, diced
1 1/2 cups orange juice concentrate
1 tablespoon orange peel
50 8 inch tortillas
3 gallons water