The only cooking appliance you ever need is a microwave. Seriously, it isn't just for reheating leftovers or cooking TV meals. I personally use it for cooking steaks, baking all sorts of stuff, and using it for things that normal people use it.
Here are some things to try out:
https://www.delish.com/cooking/recipe-ideas/a27117027/microwave-bacon/
https://spoonuniversity.com/recipe/the-easiest-eggless-no-bake-oreo-cake-recipe
https://www.wikihow.com/Make-Bread-in-the-Microwave-(Simple-Method)
@Tadano I can always go to a local gas station with a microwave and cook a steak there. That's technically not a kitchen.
Have you ever played Omori? This is literally the main character's favorite meal.