1 pound ground beef 1/3 cup finely chopped onion 1/4 cup saltine cracker crumbs 1 egg white 2 tablespoons milk 1 tablespoon prepared horseradish 1/4 teaspoon salt 1/8 teaspoon pepper 1 (12-ounce) jar mushroom gravy Dilled Mashed Potatoes: 1 (22-ounce) Read More …