1. Preheat the oven to 250°F. Beat chickpea liquid with cream of tartar and vanilla until soft peaks form.
2. Add sugar, 1 tablespoon at a time, until stiff peaks form.
3. Pipe into 1” circles on a baking sheet lined with parchment paper and bake for 2 hours. Turn off the oven and let sit in the oven for 1 more hour.