1lb cooked frozen shrimp (peeled and deveined with tails removed)
1lb spaghetti (cooked and drained)
Shredded parmesan cheese (for serving, optional)
Instructions
Cook noodles according to package directions. Drain and set aside. In a large skillet (or saucepan) over medium-high heat add olive oil. Add garlic and onion and stir fry for 3 minutes. Add diced tomatoes, stir in tomato paste, water, parsley, salt, oregano, basil, and pepper. Add red pepper flakes if desired. Bring to a boil, reduce heat and simmer for at least an hour.
Within the last few minutes of cooking, add shrimp and cook until heated through. Serve over spaghetti and top with parmesan cheese.