INGREDIENTS
12 oz
pasta
12 oz
cherry or grape tomatoes, halved or quartered
1
medium onion, thinly sliced (about 2 cups)
4 cloves
garlic, thinly sliced
2 tsp
kosher salt
1/4 tsp
pepper
1/2 tsp
red pepper flakes
2
sprigs fresh basil
2 tbsp
olive oil
4 1/2 cups
water
Freshly grated Parmesan cheese, for serving