Cheesy Baked Rigatoni with Beef

INGREDIENTS

1 medium yellow onion

4 cloves garlic

12 ounces low-moisture mozzarella cheese, divided

3/4 ounce Parmesan cheese, grated (about 2/3 cup grated on a Microplane or 1/4 cup store-bought)

2 tablespoons olive oil

1 pound lean ground beef

1 teaspoon kosher salt, plus more for cooking the pasta

1 teaspoon dried Italian seasoning

1/2 teaspoon freshly ground black pepper

2 (24-ounce) jars marinara or pasta sauce (about 6 cups total)

1 pound dried rigatoni pasta

Chopped fresh basil leaves, for serving (optional)

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INSTRUCTIONS