Swizzle - I thought this might help you with quantities.

SERVES 100- BASIC QUANTITIES

2 gallons Applesauce
3 gallons String beans
2 gallons Baked beans
24 pounds Beets (cooked)
2 pounds Butter
12 Loaves of bread (1 lb loaf)
10 pounds Coleslaw cabbage
30 pounds Carrots (cooked)
2 gallon Peas
75 pound Fried chicken
35 pound Chicken a' la King
15 bn Celery
1 pound Coffee (for 100 cups)
6 pound Cranberries (raw) AND 6 lbs of sugar.
6 cup Cocoa or hot chocolate
13 quart Ice-cream -- bricks
14 quart Ice-cream -- bulk
40 pound Ham/beef/pork/veal roast.
30 pound Meatballs
32 pound Hambuger
35 pound Pork chops
45 pound Baked ham
14 bn Lettuce heads for salad
17 package Jello (3 1/2 oz packets)
6 pound Macaroni
1 gallon Pickles
35 pound Raw potatoes (mashed)
4 gallon Punch -- (1/2c per person)
5 pound Rice
2 quart Salad dressing
3 pound Cube sugar
1/2 pound Tea
65 pound Turkey roast
25 pound Weiners