Winter camping is most enjoyable! No bugs and few people.
I have an extreme-duty tarp that's set up as a hot tent, something like what this fellow made:
…with a small, non-folding stainless Chinese tent stove and a silicone stove jack.
A pair of Jet Sled Jr. sleds are hauled behind me, one linked to the other, and they're narrow enough that they just fit into my snowshoe tracks… with a sled (or two), as opposed to a big (70 liter plus) backpack, you can haul an incredible amount of gear and provisions for extended winter camping without all the strain. They simply glide over the snow, almost without friction. I configure the first one as a pulk, with a pair of long, crossed poles attached to me at the waist and to the front of the first sled; that keeps it from sliding into me on the downhills, among other benefits. With sleds, I only need to carry a lightweight pack, which is a godsend if there is a lot of snow.
If I'm going out for more than a day or so, most of the weight in the sleds will consist of provisions, as a great many calories get burned in temperatures well below freezing during a week-long excursion. For example, I mix up a huge bag of damper (a type of Australian quick bread/biscuit) that only needs water to activate it; it's rich in flour and butter, and provides a tremendous amount of calories. That gets baked in a small cast iron Dutch oven on top of the tent stove, like a big biscuit, or as dumplings if I feel like opening a can of beef stew, of which I take many.
The sleds also carry the tent, which isn't the least bit light, as well as other necessities like a ground mat, sleeping bag, wool blanket, cooking gear and change of clothes. Axe and saw, as well as some of my fire-making supplies and things like flashlights, are in or on my pack or person, along with the usual first aid kit, etc.
It sounds like a lot, but you only need to be caught out in the winter on a long hike and needed something you hadn't got, something the lack of which might threaten your very existence, and the weight doesn't bother you anymore. Winter camping, especially solo, is among the more risky outdoor ventures, and you all "know what a cautious fellow I am"…