I can tolerate baked potatoes with small amount of butter and salt, bland baked chicken (white meat only), and I can tolerate baked fish. I can eat pasta with no sauce on it.
Hey there multitrickpony (just love the 10trickpony user name!). It's interesting to me that you can stomach baked potatoes and baked fish if you can't go for a lot of other things. I would have assumed water boiled potatoes (probably is a question of the potatoes) and lightly grilled or lightly pan cooked chicken or fish would work as well or better.
So here are a few recipes that work for me when I got problems (as I am in remission I eat pretty much everything, but avoid onions at all costs and avoid too oily, too spicy, too sweet, too fatty etc. foods).
1. Small cut skinless chickenbreast pieces fried with a tad of vegetable oil, no salt, just a bit of peper. Pan cook (you need a good pan...) and then a. Add cream and a bit of soup or if you do not have soup some water and salt or b. If you can't stomach cream, just add cut parsley or other herbs and if you like just for the taste squeeze a bit of lemon over it. Cook rice for the side. I cook rice by taking white rice, one cup, and exactly two cups water. Put both in a small pan, heat, when it cooks, tune down the heat to virtually nothing and after a while take Away from the stove.
Potentially, if that works for you, peal half a cucumber cut in pieces and serve as cucumber salad with a tad bit of veggie oil and only a tad of vinnegrette.
2. Evening 5-min bland thing: cook a bit of half water half milk (forget the milk, if you are lactose intolerant) in a pan, add oat flakes (needs to be flakes) and steer in, not too much, the flakes pick up the water/milk. Steer for while, move of them stove and let it rest. Cut a few pieces of a peach (remove skin first) or use a nektarine and put the porridge in a wide soup dish, put the slices of peach or nektarine on it so it is not that bland. Or eat with a few peaces of kiwi.
3. Cooked polenta: just cook water, steer in polenta, simmer for 10min or so, let it rest on the side for another 5 min, make sure there is enough water at first, you only need a bit of polenta, it soaks up the water. Put a piece of butter in it when steering. Add a bit of salt. Voila, you can eat it with a few pieces of salad on the side (if you can stomach it) or some pieces of cucumber or tomatoes ( if you can stomach that).
4. What about bread? Does bread work for you? Many people got problems with white bread but can stomach some other types of bread. What I like is focassia (sort of a somewhat white Italian sandwich bread, not too soft) have some zuccini and/or aubergine fried in a pan with a tad bit of olive oil, sometimes just for the taste (but it's debatable if that won't get you into trouble) add a few pieces of sliced red pepper. Then put those veggies in the bread alongside mozzarella (does mozzarella work for you when cooked?) and toast or put in pre heated oven for 5 minutes.
5. Strange as it sounds, but I used to eat those Catholic altar wafers in between meals when I got problems in the past. Not sure if you can buy those where you are (in cooking they are used to put cookie dough on them so the dough doesn't stick on the plate in the oven) they consist of one thing and one thing only, very thinly pressed wheat. It tastes like nothing, but it helps with intestine problems, at least it helps me.
6. Cook skinless chicken breasts (large chunks or the whole chicken breast) in pan with a bit of veggie oil. Season with pepper only. Add salt only at the end. Make sure it's cooked well. Take aside and cut in pieces. Again, it is a question of whether you can stomach green leaves - I take field salad (lamb's lettuce) and put just a bit of a lemon juice, veggie oil and mustard mixture on it for seasoning, put the chicken pieces on it and eat. Have some bread on the side if that works for you.
7. Quite honestly, sometimes the simplest things are the best if I really got problems. I have in the past often just toasted a few slices of darker bread (needs to be one without any visible grains) put some butter on it and had a camomile tea sweatened with a bit of honey with it. Or, if you want to be bold take some other form of bread you can stomach and put a bit of cooked bland ham on it and a piece of mozarella and put in the oven for a few minutes (not to long). Once again, to be enjoyed with lots of camomile tea with just a bit of honey. If you can stomach milk, you can try to do camomile tea with milk and a tad of honey...
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I am sure there many more variations and lots of other things others use.