Preheat the oven to 360°F. In a deep bowl, beat the egg. Add the salt. Melt the coconut oil in the microwave for 1 minute. Make sure it doesn't get too hot so it doesn't boil the egg. Pour the oil into the bowl. Lightly whisk the mixture with a whisk.

Pour in the flour. Mix the dough and leave it for 10 minutes. During this time the flour will absorb the liquid. Knead the dough. Add more flour or a little water if necessary.

Roll the dough into a ball and leave it under food foil for 10 minutes.

Use 2 sheets of parchment paper to shape the crackers; the dough is sticky to the rolling pin. Place the dough on a sheet of parchment, cover it with a second sheet, and roll it out to about 1/4 inch thick. Remove the parchment sheet and sprinkle the dough layer with sesame seeds. Cover with parchment and re-roll the dough to about 1/8-inch thickness. Cut the dough into squares or rectangles of desired size with a pizza cutter. you can use round cookie cutters. It will take about 7 to 10 minutes to bake.