1 (12 ounce) package linguine pasta
1/4 cup butter,melted
4 tablespoons diced onion
4 teaspoons minced garlic
40 small shrimp,peeled and deveined
1 cup half−and−half
2 teaspoons ground black pepper
6 tablespoons grated Parmesan cheese
4 sprigs fresh parsley
4 slices lemon,for garnish

Cook pasta in a large pot of boiling water until al dente,drain. Meanwhile,melt butter in a large saucepan.Saute onion and garlic over medium heat until tender.Add shrimp,saute over high heat for 1 minute,stirring constantly.Stir in half−and−half.Cook,stirring constantly,until sauce thickens.Place pasta in a serving dish and cover with shrimp sauce.Sprinkle with black pepper and Parmesan cheese.Garnish with parsley and lemon slices.