Heaven not Hell!
Soften a small handful of chopped onions and a large handful peppers in a little butter and oil.
Add 1 tsp garlic and 3 or 4 lambs kidneys tossed in flour.
Stir-fry until lightly coloured and add 1 hpd tsp paprika.
Fry for a couple of minutes and add small handful mushrooms, loosening scrapings from bottom of the pan.
Lower heat and add 1 dstsp tomato puree and 1 hpd tsp mustard, 1 tsp Worcester and a pinch of S+P, plus a tiny pinch of cayenne.
Add 100ml natural yoghurt and stir gently. Check seasoning and cook through.