We've been trying hard to avoid using disposable goods and single-use plastics when out of the cottage. I've started carrying a small, washable pouch that easily contains almost everything we need for the majority of our quick dining on-the-go:

This includes reusable bags and bottles/thermoses, a bottle sling, camping cutlery for the adults, a folding spork for West, cloth napkins, 2 stainless steel straws (and a corresponding cleaning brush) for the adults, a silicone straw for West, reusable beeswax wrap, and a waterproof sandwich bag in which to put the items after they've been used. It's all compact for toting and for storing in our tiny home. Some of my favorite items (or similar) are below!