Stewed Kidney

Preparation:

Preparation: Put the kidney slices in a pan over high heat to purge the bitter liquid; then overturn them in a colander and leave to drain for 30 minutes. Soften the sliced onion in the lard, add the chopped tomatoes; cook for 10-15 minutes and add the kidney; sprinkle with white wine and cook for about 10 minutes. Season with salt and pepper and serve piping hot with a sprinkling of chopped parsley.