Italian Meatballs with Tomato Sauce

2 slices of crustless country bread, cut in cubes1/2 cup milk 1 egg1 pound ground beef (or a combination of lamb, pork and beef)1 teaspoon cumin1 teaspoon nutmeg1 teaspoon dry oregano1/4 cup extra virgin olive oil, plus 2 tablespoons more for the pan1 cup Parmigiano-Reggiano cheese, grated1 tablespoon garlic, finely minced2 tablespoons fresh flat-leaf parsley …