Combine water, yeast and sugar in a measuring cup and stir to dissolve. Let sit for about 5 minutes to activate yeast.

While yeast is activating, combine flour, salt and oil in the bowl of a stand mixer.

When yeast mixture is foamy add to flour in mixing bowl. Attach a kneading hook and knead for about 5 minutes. Dough should come together and form a ball. If too loose add a bit more flour, if too stiff add more water, a few drops at a time until a ball forms. (If you're making these without a mixer, combine flour and salt in a medium size mixing bowl. Add oil and activated yeast mixture and stir until well combined with a sturdy wooden spoon. Turn mixture out onto a floured work surface and knead until a ball forms. Continue to knead for another 6-8 minutes until dough is smooth and no longer sticky.

Drizzle a teaspoon of olive oil over dough ball and turn to coat. Cover mixing bowl with a clean kitchen towel and set in a warm place to rise. When dough has risen double in volume, punch down and turn out onto a well-floured work surface. Knead dough for about 30 seconds.

Preheat oven to 325˚F. Line 2-3 sheet pans with parchment paper.

Pinch or cut off peanut size pieces of dough, about 30-40, depending on size*.

With a flour coated rolling pin, on a well-floured surface, roll each piece of dough till paper thin*, turning several times to coat wit flour. When you think it's paper thin, roll one or two more times. The secret to rolling this thin is to keep your rolling pin and work surface well-floured, otherwise the dough will be sticky. Transfer rolled dough to prepared sheet pans and brush lightly with chili oil. Scatter lightly with sea salt or kosher salt.

Bake crackers for 8-10 minutes, rotating pans half way through or until pale golden brown and crisp. Remove from oven and transfer to cooking racks. Repeat if needed with the rest of the dough, allowing pans to cool between baking. Cool completely and store in a airtight container.