1/2 cup mustard
2 tablespoons soy sauce
1 teaspoon dried rosemary
1/4 teaspoon ground ginger
1 clove garlic
1 egg
2 tablespoons olive oil
2 racks of lamb
Combine first 6 ingredients in container of an electric blender; process 15 seconds or until smooth. Add oil to mustard mixture, one drop at a time; process on low speed until light and creamy.
Place lamb, fat side up, on rack in a shallow roasting pan; insert meat thermometer in lamb. Brush mustard mixture on lamb. Bake at 325 degrees for 1 hour and 20-30 minutes or until meat themometer registers 160 degrees.