Place the raspberries in a 3-quart casserole. Cover with lid; microwave at HIGH 2 1/2 minutes or until thoroughly heated. Press the raspberries through a fine sieve over a small bowl, reserving liquid; discard solids. Add vinegar, honey, and pepper to reserved raspberry liquid.
Rub the pears with lemon juice. Place pears in casserole, and drizzle with raspberry sauce. Cover with lid. Microwave at HIGH for 8 minutes or until the pears are tender, stirring and spooning sauce over the pears after 4 minutes.