Oven-Barbecued Spareribs
["4 lb. pork spareribs, cut into 2-rib portions", "2/3 c. unsweetened grapefruit juice", "1/2 c. packed light brown sugar", "2 tsp. cornstarch", "1 tsp. salt", "1 tsp. curry powder", "1/8 tsp. ground allspice"]
["Arrange pork spareribs in large open roasting pan in one layer. Roast spareribs in 325\u00b0 oven for 1 1/2 hours or until fork-tender. Meanwhile, in 1-quart saucepan over medium heat, heat grapefruit juice and remaining ingredients to boiling.", "Cool 1 minute, stirring mixture constantly, to prevent sticking.", "During last 30 minutes of roasting, brush ribs frequently with grapefruit mixture."]
["pork spareribs", "unsweetened grapefruit juice", "brown sugar", "cornstarch", "salt", "curry powder", "ground allspice"]