You can actually buy stuff like that if you really want to keep a mix on hand. The King Arthur powders are great: https://shop.kingarthurbaking.com/items/bake

You can actually buy stuff like that if you really want to keep a mix on hand. The King Arthur powders are great: https://shop.kingarthurbaking.com/items/bakers-special-dry-milk https://shop.kingarthurbaking.com/items/bakers-special-dry-m... https://shop.kingarthurbaking.com/items/dried-buttermilk-powder https://shop.kingarthurbaking.com/items/dried-buttermilk-pow... And I’ve never tried it but here’s powdered butter: https://hoosierhillfarm.com/shop-products/butter-powder/ https://hoosierhillfarm.com/shop-products/butter-powder/