Email to Meg Recipe Categories: Meg's HOME PAGEAPPETIZERS BARSandSQUARES BEVERAGES Biscuits BREAKFAST CAKESandFROSTING CANDY CASSEROLES COOKIES DESSERTS EGGS FISHandSEAFOOD JAMSandJELLIES MAINDISHES MARINADES MEATS MUFFINS PANCAKES PASTA PASTRYandPIES POTATOES POULTRY QUICKBREADS RICE SALADandDRESSING SANDWICHES SAUCES SAVORYSAUCES SOUPSandSTEWS VEGETABLES VEGETARIAN YeastBread YeastBread-Rolls PRIME RIB ROAST Source of Recipe husband's aunt Recipe Introduction Great - every time! List of Ingredients 7 lb. prime rib roll 2 tsp. vinegar 1 tsp. mustard 1 Tbsp. white sugar 1/4 tsp. allspice 1/2 tsp. salt Instructions Mix all together and brush on the roast. Cook in 190 degree oven for one hour per pound.