Arrange tuna steaks side by side, but in opposite directions in a baking dish; press thin belly flaps together, against other steak. Rub the top of each steak with < tsp. Worcestershire sauce and < tsp. Lemon juice, then sprinkle or run with 1/8-tsp. Spice blend. Sprinkle peppers over fish in center of the pan. Cover dish tightly with plastic wrap and microwave on high until fish is nearly opaque, 5-6 minutes. Let tuna stand, still covered for 1-2 minutes longer.