4oz / half cup red lentils simmered very gently in half a pint / 1 cup water. Meanwhile: 2 onions chopped and fried to golden in a little sunflower or corn oil. Add a couple of big handfulls of chopped mushrooms and cook until just soft. Take off the heat and add the lentils when they are all mushy. Add a teaspoon yeast extract, a beaten egg, 3-4 oz grated cheddar (the stronger the better) and a dollop of chopped fresh parsley (optional, but don't bother with the dried stuff). Mix it all up and pour into a casserole dish and bake for 35 mins at 200C / 400F / Gas Mark 6