I substituted basic, unsweetened oat milk with 2 T sour cream additional for creaminess and it turned out terrific!
Most quiche add-ins need to be pre-cooked and may even now be heat when mixing in to the egg filling. https://sahilxzxf658785.tokka-blog.com/28785209/getting-my-tortilla-quiche-bake-recipe-to-work