Take the dressed tripe and cut it into square pieces, place it in a saucepan, cover with cold water, bring to the boil, and throw away the water. Add to the tripe 1pint (6dl.) of milk and ½pint (3dl.) of water, 3 finely sliced onions, salt and pepper. Simmer for 3 hours, then thicken with a tablespoonful of flour mixed in a little milk and strained into the pot. Re-boil, add extra seasoning, if desired. Serve very hot.