Preheat oven to 350°F and line a baking sheet with parchment paper
In a bowl, mix coconut flour, arrowroot, and sea salt
Add melted coconut oil and warm water, and stir until dough forms
Roll dough between two sheets of parchment to about 1/8-inch thick
Score into squares with a knife or pizza cutter
Bake for 12–15 minutes, or until edges are golden and center is firm
Cool completely before breaking into crackers and serving with guacamole