Braised Sweetbreads

• 2 calves’ heart sweetbreads
• 1 oz. fat
• 1 small onion

Prepare the sweetbreads as follows: wash and soak in cold water for 1–2 hr. until free from blood. Put into a pan, cover with cold water, bring to boil and simmer for 3–5 min., then plunge into cold water. Discard fat and skin and any gristle. Press between two plates to retain shape.

Melt the fat in a stewpan or meat-tin, add the sliced vegetables and fry for about 10 min., then add th