It's difficult to find a low glycemic index pie crust in stores, so here's a recipe that takes only 5 minutes to make and is truly delicious. In the end, it was a salmon and spinach quiche. Absolutely divine. We fought over the last piece. All you need to do is replace white flour (GI=85) with other flours. It can be used for savory or sweet dishes, and it's also vegan-friendly.