First, combine all of the dry ingredients in a bowl
In a small bowl, combine the egg replacer with 4 tablespoon water. Let thicken for 1-2 minutes
Add the egg replacer and the other wet ingredients to the dry ingredients
Add the ice-cold water 1 tablespoon at a time, until the dough combines and holds together
Press the dough into the tart pan, making sure to get all the dough into the ridges of the pan
Add either pie weights or a pan/pot on top of the dough.
Pre-bake for about 10 minutes, until partially baked