@jj87 off the top of my head, here's a few things that were on my list. Check yours first though, at six weeks I was on normalish food but as you've probably seen, different hospitals advise different things!
Cottage cheese
Greek yoghurt
Cheese
Eggs
Milk
Whey protein - so protein shakes, or you can add to your own smoothies etc
Minced beef, pork, chicken or turkey - mince my be better to try at first
Tuna
Salmon
Corned beef
Sardines
Lentils
Peanut butter - the one with no sugar
Quorn
Tofu
Endame beans
Soya beans
Kidney beans
Soba noodles
Quinoa