10 lbs seasoned ground beef,
10 lbs chicken beast,
You only need a total of about 12 pounds

large charger pan mexican rice, 2 1/2 pounds dry to star
large charger pan refried beans, 1 gallon
5 lbs lettuce, 3 max- 2 enough if not making taco salads
4 lbs mexican cheese, 1 1/2 plenty
1 quart salsa, maybe 1 1/2
1 quart guacamole, maybe 3, or more- people love this
1 quart sour cream, OK
2 family size bag tortilla chips, 3-4 pounds max, don't open all till you see how they are going

black olives, 1 quart
jalapeno peppers, sllced, 1 quart
onions, 3-4 cups

chocolate fountain. Would 5lbs of chocolate be enough? 5 pounds feeds 50+, so the amount depends on the needs of tje fountain, as some small ones take 3, larger 5-20