I make yeast bread if we are camping with a group of people, because then I've also brought along a fairly large reflector oven for baking. I make a lot of muffins and quick breads in the Bake-packer too, which I take along when I am going solo or with just one other person.
I haven't had the problem of trying to raise dough on cold days, I guess it has always been warm enough. Generally I bake bread when we are on a layover day to be able to start the raising process around 2-3:00 in the afternoon for supper. I make very simple bread: flour, water, a dash of oil, salt, sugar and yeast. I make it into dinner rolls which makes it easier to divide up when cooked and I think it cooks better in a reflector oven than a loaf does.
I can attest to the success of ST's oven, it baked us a loaf of yeast bread just as slick as if we had an electric oven, and it had a nice brown crust on it.
I often make cinnamon rolls with a baking powder buscuit (Bisquick) dough and roll it out, put brown sugar, butter, cinnamon and raisins on it. Then roll up jelly roll fashion, cut into rolls with a piece of fishing line, arrange in reflector oven pan or bake-packer and cook.
Once I adjusted my patience to the Bake-packer I quit producing half cooked muffins.

I use oven baking bags in the Bake-packer, but I cut them open and in half and get at least 2 out of each bag. I pack one in each muffin or bread box so it is there when I am ready to cook. I use a wooden clothes pin to fasten the top of the closed bag shut during cooking.
You can get gingerbread mix at the grocery store which just requires adding water. It cooks nicely in the bake-packer but only half the mix box at a time will fit. I divide it into two or three portions while still at home then pack the parts back into the original box for the trip.