Swedish Meatballs

Source: 1982 Rival Crock Pot Cookbook

1 1/2 cups fresh bread crumbs
1 cup milk or cream
1 1/2 pounds ground chuck
1/2 pound lean ground pork
2 eggs
1 medium onion, finely chopped
1 3/4 teaspoons salt
1/4 teaspoon allspice
1/8 teaspoon nutmeg
1/8 teaspoon cardamom (optional)
1 (10 1/2 ounce) can beef consomm