In a large bowl, combine almond flour, salt and rosemary
In a medium bowl, whisk together olive oil and egg
Stir wet ingredients into almond flour mixture until thoroughly combined
Roll the dough into a ball and press between 2 sheets of parchment paper to ⅛ inch thickness
Remove top piece of parchment paper
Transfer the bottom piece with rolled out dough onto baking sheet
Cut dough into 2-inch squares with a knife or pizza cutter
Bake at 350° for 12-15 minutes, until lightly golden
Let crackers cool on baking sheet for 30 minutes, then serve