Bow Ties with Sausage, Tomatoes and Cream

2 Tbsp olive oil
1 lb sweet Italian sausage
1/2 tsp red pepper flakes
1/2 C diced onion
3 cloves garlic, minced
1 (28oz) can tomatoes, drained and coarsely chopped
1 1/2 C heavy cream
1/2 tsp salt
1 (12oz) pkg bow tie pasta

Heat oil in large skillet over medium heat. Cook sausage and pepper flakes til sausage is no longer pink. Stir in onion and garlic and cook until onion is tender. Stir in tomatoes, cream and salt. Simmer 8-10 minutes. Meanwhile, bring a large pot of lightly salted water to a boil. Add pasta, cook until al dente, 8-10 minutes. Drain. Stir pasta into sauce and heat through.