Tarte Flambée with Chorizo and Onions

Tarte flambée is a dish from Alsace that has a crisp bread base covered with fresh cheese, onions, and bacon. In this recipe, chicken chorizo replaces the bacon. It is similar to a pizza, but the base is much thinner and made without any leavening agents. As implied by the name, it is usually baked in a wood-fired oven and it should be so crisp that it crackles. But it can be baked very successfully in a stone oven, especially one that is wood-fired, as this will impart fantastic tas