The Kitchn: Cheesy baked beef rigatoni is as comforting as it gets
Serves 8 to 10
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
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