Roast saddle of venison, tortilla and beans

I'm not much of a cook though I can usually produce something that is, at least, edible. That's not always the case; new recipes tend to turn out badly and, recently, I have had a series of culinary disasters. I did some beef, tomato and olive thing that tasted of salt and nothing else. There was another concoction that I ended up tipping directly into the bin, something with lots of cream and garlic. I'm safer when I cook up the lentils or one of the student favourites (well favourite with the one time students who are now beginning to draw their pensions or die) like spag bol and chilli con carne. Nonetheless my version of kebabs with chorizo is OK and that spaghetti with yoghurt and mushrooms and bacon isn't bad either. My shepherd's pie's perfectly tasty and there are plenty more in my repertoire that, whilst they may not exactly thrill the palette, do, at least, maintain the calorie input without hardship. The stuff that goes into my meals comes from...