With boneless cuts of meat, figure on a half-pound or slightly more per person. Plan on three-quarters cup of mashed potatoes per person and three ounces of gravy. So that would be 30 pounds of meat, about 3 gallons of mashed potatoes, and a little more than 5 quarts of gravy.
How do I determine how much orange oil to use in place of grated orange peel? What would the ratio be?