I remembered another recipe that might be interesting. This is an old Russian dish, and I doubt that I can translate its name properly. But if you try, it's an oatmeal old grumbling woman, that is, an oatmeal.
The recipe for a pie, if you can call it that, is very simple. Take oatmeal, a couple of eggs, one glass of sugar or honey (if you use honey, you need less, because it is very sweet) and 100 grams of butter (in general, the amount of ingredients depends on how big a pie you want). You can also add dried berries and nuts. All this is mixed up. Oatmeal is needed so that the dough is thick, but it is soaked with a mixture of sugar (honey), eggs and butter, I usually take a glass two. The dough is laid out in a mold and baked in the oven for about half an hour, until golden brown.
This cake is dry enough, so I eat it with milk. Some add different sauces or jam.