Have 6 metal skewers ready.
Cut meat into 1 1/2-inch cubes, and marinate in dressing 1-2 hours; then divide into 6 parts.
Cut each strip of bacon into 1 1/2-inch pieces.
Thread lamb, bacon, tomatoes, mushrooms, onions, and green pep-per on each skewer.
Salt and pepper lightly, and place over hot coals of barbecue grill or under broiler to brown on all sides.
After 5 minutes, brush with marinade, and broil for 5-10 minutes longer.
Turn several times.