INGREDIENTS
2 cups
pasta (cooked) see NOTES
1 tbsp
extra-virgin olive oil
1 lb
ground beef
1/2 tsp
pepper
3
garlic cloves, minced
1 tsp
crushed red chili flakes (optional)
1 tbsp
Worcestershire sauce
2 tbsp
tomato paste
1
onion, chopped
1/2 cup
chopped parsley, plus more for garnish
salt
2 cups
shredded mozzarella