Corn Chowder with butter

2 onions , diced 2 tablespoons butter 6 cups milk 3 cups half-and-half 28 ounces potatoes , diced (canned) 45 ounces sweet corn, cans drained 4 slices bacon ,[...]

1 onion 2 slices bacon , rashers 30 g butter 750 g potatoes , peeled and cubed 2 cups chicken stock 440 g creamed corn, can 375 ml milk 1 Chop onion and[...]