Irish Soda Bread. No yeast or sourdough starter. Besides a propane or electric oven and a power source, all you need is: flour, baking soda and powdered buttermilk.
https://www.recipetineats.com/no-yeast-bread-irish-soda-bread/It's has a real good texture and crust, either with all purpose or all purpose whole wheat mix. Add raisins and cinnamon if you like.