Summat I really enjoy you can't get as ready made is a good liver bacon and onions...bacon under the grill, onions for as long as you want in a pan with a pinch of sugar then push em to the side; add a bit of butter, turn pan up to really high heat and stick the liver in coated in a touch of flour and pepper, for 30s to a minute on each side. Magic ingredient is a touch of white vinegar in the pan. Goes great with bubble and squeak too if you've got some leftovers