I wonder if I should make some carrot sticks.

Here is a tip from the Internet, It mentions hummus but also guacamole. Enjoy your carrot sticks with peanut or almond butter for a high-protein snack. Dip your carrot sticks in hummus for a healthy dose of protein and fibre. Guacamole is a potassium-rich dip that pairs well with the flavor of carrots.

You could do celery sticks also.

Carrot sticks and celery sticks, this is what I serve, but I also serve flat Arab bread with it.

Here, they might serve hummous with carrot and celery sticks but also small florets of cauliflower. Hope you work something out.

I would use carrot sticks. Pita bread would add carbohydrates.