Preheat grill

Whisk together lemon juice, oil, oregano, garlic, 1/2teaspoon salt and pepper in a bowl. Pour hafl the dressing into second bowl.

Add tomatoes, cucumber and onion to dressing in one bowl.

Add shrimp to dressing in second bowl. Stir until well coated; marinate at room temperture 10 minutes.

Lightly brush pitas and bell pepper on both sides with oil and sprinkle with 1/4 teaspoon salt and pepper. Grill pitas until browned and slightly crisp, about 2 minutes on eash side, then transfer to a rack to cook (pltas will continue to crisp as they cool). Grill bell pepper until just softened, about 1 1/2 minutes on each side.

Thread shrimp on skewers without crowding, Grill until just cooked, about 2 minutes on each side.

Break pitas into bite-size pieces. Remove shrim from skewers and gently stir into tomato mixture with pitas, bell pepper and feta.

Per serving: 240 calories, 13g fat, 105 mg chol, 16g prot, 15g carbs, 1g fiber, 670mg sodium