fresh parsley (for garnish)
1 lb shrimp, (peeled and deveined, tails removed)
1 cup freshly grated Parmesan cheese
1 cup heavy whipping cream
1 tsp. Italian seasoning
2 (15-oz each) cans tomato sauce
5 cloves garlic, (minced)
1 cup chopped onion
2 tbsp. olive oil, (divided)
1 lb spaghetti noodles