For the shells and sauce
01 -
12 oz (340 g) jumbo pasta shells
02 -
1 tablespoon olive oil
03 -
1 lb (450 g) ground beef
04 -
1 small yellow onion, finely chopped
05 -
3 cloves garlic, minced
06 -
3 cups (720 ml) marinara sauce
07 -
1/2 teaspoon kosher salt, plus more for pasta water
08 -
1/4 teaspoon black pepper
For the cheese filling
09 -
15 oz (425 g) whole milk ricotta cheese
10 -
1 1/2 cups (170 g) shredded mozzarella cheese, divided
11 -
1/2 cup (50 g) grated parmesan cheese
12 -
1 large egg
13 -
2 tablespoons chopped fresh parsley
14 -
1 tablespoon chopped fresh basil, or 1 teaspoon dried basil
15 -
1/4 teaspoon kosher salt
16 -
1/4 teaspoon black pepper
For baking
17 -
1 cup (115 g) shredded mozzarella cheese for topping
18 -
Extra parsley or basil for garnish, optional