Pasta with Sausage, Tomatoes, and Cream

INGREDIENTS

• 1 tablespoon olive oil
• 1/2 lb sweet Italian sausage link, casings removed,crumbled
• 1/4 teaspoon crushed dried red pepper flakes
• 1/4 cup diced onion
• 1 1/2 cloves garlic, minced
• 1 (14 1/2 ounce) can Italian plum tomatoes, drained,coarsely chopped
• 3/4 cup whipping cream
• 1/4 teaspoon salt
• 6 ounces pasta
• 1 1/2 tablespoons minced parsley
• grated parmesan cheese