Luau Racks Of Lamb
["2 (2 to 2 1/2 lb.) racks of lamb", "1 (2 1/2 to 3 lb.) pineapple or 1 (1 lb. 4 oz.) can sliced pineapple packed in its own juice", "1/4 c. firmly packed brown sugar", "1 tsp. each: dry mustard, ground ginger and soy sauce"]
["Place lamb, fat side up, in a shallow roasting pan.", "Insert a meat thermometer into thickest portion of meat without touching bone.", "Roast, uncovered, in a 375\u00b0 oven for about 45 minutes or until meat thermometer registers 125\u00b0."]
["lamb", "pineapple", "brown sugar", "ginger"]