→ Proteins
01 - 14 oz Italian sausage, mild or spicy, casings removed
→ Pasta
02 - 12 oz penne or rigatoni pasta
→ Vegetables and Aromatics
03 - 1 medium yellow onion, finely chopped
04 - 3 cloves garlic, minced
05 - 5 oz baby spinach, optional
→ Sauce Components
06 - 1 2/3 cups canned crushed tomatoes
07 - 3/4 cup + 1 tbsp heavy cream
08 - 2 oz grated Parmesan cheese
09 - 1 tbsp tomato paste
10 - 1 tsp dried oregano
11 - 1/2 tsp crushed red pepper flakes, optional
12 - Salt, to taste
13 - Black pepper, to taste
→ Garnish
14 - Fresh basil or parsley, chopped, optional
15 - Extra Parmesan cheese, for serving