Onion quiches are quite popular in Southern Germany and Alsace. We already have a few recipes for them on our blog. Normally, you would make a quiche or cake like that with a shortcrust pastry or some yeast dough – this one here is a bit different. The base for this Smashed Potato Crust Onion […] The post Smashed Potato Crust Onion Quiche first appeared on Bake to the roots.