Some small appliances may make things go better. A few years ago, we were without electricity for about 4 days. We were lucky enough to have a one burner heater for camping, with a couple of small tanks of propane. I'd suggest getting one of those. Camping on the kitchen table isn't so bad.
Likewise, an LED lantern will provide many hours of light on just a few batteries. I have an LED flashlight that has had much use over a 5 year period, and it is still on the first set of batteries. The LEDs are much preferable to candles (of which we had enough to last 4 days) because they don't leaves drops of wax all over the house.
As for food, I have a couple of boxes of crackers vacuum packed, and lots of peanut butter and jellies and marmalades and jams. Also several other nut butters, nuts in shells and dried fruits. I have several days worth of sardines and herring, and a few cans of canned chicken and ham. Had some packages of jerky, but those ended up as snacks after a year. Instant coffee can be made from cold water and vigorous stirring. Teas can easily be made from steeping in cold water. Jars of pickled vegetables will usually be just fine once opened and kept at room temperature, assuming they are very acidic.
I've got a 5 gallon gravity feed water purifier, and in a pinch, it strains rain water quite well. Needs some serious cleaning afterwords.