Snack ideas?

What are you all taking as snacks for your babes when you're out and about? I've been taking bananas or food leftovers but it's gotten so hot where I live that these spoil so quickly now. The shops near me also dont stock packaged baby snacks like puffs or biscuits etc. We did BLW so she likes to have finger foods. I've even tried to just give her milk when she's hungry but she still wants actual food once shes nursed lol. Any ideas for practical snacks or even things I can make at home?