Heat the oil in a pan add the liver bacon and onion and fry them until the liver is brown and the bacon and onion are soft and just beginning to colour. Remove and add to the onion. Thinly slice the liver and pat it dry with kitchen paper. Rinse the liver in a colander under cold water and drain well on kitchen paper. Season to taste with salt and pepper.
Serve the liver and bacon with a small portion of mashed potatoes and lots of freshly cooked greens. Cook the bacon in a large non stick frying pan until crisp. Return the onion garlic lardons mushrooms and liver to the pan pour in the lamb stock and bring up to a simmer stirring for a minute or two. Liver and bacon casserole served with boiled potatoes and peas i learned this recipe for liver and bacon casserole years ago and it really is a most wonderful dish because it s easy to prepare contains cheap ingredients and is palatable to kids as well as grownups. Drain the tomatoes and place them in a casserole dish.
Meanwhile mix the flour and sage if using and use to dust the liver. Remove from the pan then fry the onion until softened. Melt half of the butter with the oil in a large non stick frying pan over a high heat. Add the oil to the pan and brown the liver for about 1 min on each side. Add extra oil to the pan if needed and sauté a small amount of the liver at a time on a high heat and very quickly to seal in the juices.
Put the liver back in the pan and heat it through in the onion gravy for 2 3 minutes until hot stirring. Put the liver back in the pan and heat it through in the onion gravy for 2 3 minutes until hot stirring. Meanwhile mix the flour and sage if using and use to dust the liver. Serve the liver and bacon with a small portion of mashed potatoes and lots of freshly cooked greens. Heat the oil in a pan add the liver bacon and onion and fry them until the liver is brown and the bacon and onion are soft and just beginning to colour.