Shrimp Fra Diavolo

8 ounces uncooked spaghetti
1 tablespoon olive oil
4 cups sliced cremini mushrooms (about 10 ounces)
2 1/2 cups Basic Marinara
1/2 teaspoon crushed red pepper
1/4 teaspoon salt
1/4 teaspoon freshly ground black pepper
1 pound peeled and deveined medium shrimp
Parsley sprigs (optional)

Cook pasta according to package directions. Drain; keep warm. Heat oil in a large nonstick skillet over medium-high heat.

Add mushrooms to pan; sauté 6 minutes. Add Basic Marinara, red pepper, salt, and black pepper; bring to a simmer.

Cook 5 minutes. Add shrimp; cook 3 minutes or until shrimp are done. Serve over pasta. Garnish with parsley sprigs, if desired. Makes 4 servings