By Measure
2 cups minced onions
2 tablespoons butter
1 cup pressed-down bread crumbs
2 pounds ground beef chuck
1 pound raw ground turkey
1 cup cooked rice (see note)
2 large eggs
1/2 cup beef or chicken stock
2/3 cup grated Cheddar cheese
2 cloves garlic - minced
2 teaspoons salt
1/2 teaspoon black pepper
2 teaspoons thyme
2 teaspoons paprika
1 teaspoon allspice
1 teaspoon oregano
3 bay leaves
1 cup ketchup