In a mixing bowl, combine flour, cane sugar and salt. Add diced vegan butter, ice water. Knead the dough. Wrap the dough disc and refrigerate for 2-3 hours.
Filling
Blanch asparagus for 5 minutes. Chop, seaside. Prepare TVP. In a food processor, blend together silken tofu, coconut milk, grape seed oil, cornstarch, nutritional yeas, dried thyme, salt and pepper. Preheat the oven. Line a tart tin with dough.Arrange asparagus and TVP.Pour the tofu mixture on the top.Bake for 30-40 minutes (365F) until golden brown.