peel shrimp

melt butter in large skillet over medium heat

add shrimp and lemon juice, and saute 2 to 3 minutes or just until shrimp turn pink

remove shrimp from skillet

saute onion in hot oil until tender

add wine, clam juice, and garlic

reduce heat and simmer 10 minutes

add tomato and simmer 5 minutes

stir in shrimp , oregano, basil and parsley

sprinkle with feta

serve over hot cooked pasta or with crusty bread