INGREDIENTS
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■1 cup fresh bread crumbs
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■¼ cup finely chopped parsley
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■1 small onion, finely chopped
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■1¼ cup freshly grated Parmigiano Reggiano cheese, divided
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■½ teaspooon sea salt
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■¼ teaspoon pepper
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■3 eggs, slightly beaten
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■1½ pound (24 ounces) ground beef (preferably freshly ground)
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■14 ounces ditalini pasta, about 5 cups cooked
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■1 pound (16 ounces) shredded mozzarella cheese
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■3 cups marinara sauce, divided