16 pounds ground beef
4 cups and 2 tablespoons chopped onion
12-1/2 cups ketchup
2 cups white sugar
2 cups white vinegar
2 cups prepared yellow mustard
1 1/2 tablespoons celery seed
2 tablespoons and 1/4 teaspoon Worcestershire sauce
1 1/2 tablespoons ground black pepper
2 tablespoons salt

Brown the beef and onion together in a large skillet over medium-high heat, stirring to crumble, until beef is browned. Drain fat.
Add the rest of the ingredients and simmer 1-2 hours until
Or transfer the beef and onion to a slow cooker and stir in the ketchup, sugar, vinegar and mustard. Season with celery seed, Worcestershire sauce, pepper and salt. Cover and simmer on Low setting for a few hours before serving.

Classic Drive-in Hot Dog Chili for 100
Mild, slightly sweet, freezes well, cook a little longer if you want it thicker. Chill overnight if you want to skim fat. All chili is better the second day.

16 pounds ground beef (if you use ground turkey, add 1/4 cup oil)
5-1/2 cups beef broth
8 (10 ounce) cans tomato sauce (use part tomato paste for thicker chili)
8 cups ketchup
3/4 cup and 2 tablespoons chili powder
1-2 tablespoons salt
3 tablespoons ground black pepper
3 tablespoons white sugar
2 tablespoons onion powder
2-3 tablespoons Worcestershire sauce
OPTIONS:
add up to 2 tablespoons vinegar, 1-2 tablespoons mustard, 1-2 tablespoons cumin, garlic powder or crushed garlic to taste, 1-2 tablespoons cayenne