Preheat oven to 450
Saute onion in olive oil until soft 4-5 minutes, add tomatoes,
garlic, basil, salt and pepper, cook for another 5 minutes,
remove from heat and add raw shrimp, place mixture in 9x13
inch ovenproof dish.
Squeeze lemon juice over mixture, sprinkle feta cheese and
olives, bake 18-20 minutes until the shrimp turns pink, serve