One of the easiest vegan meals I make quite frequently are TVP (Textured Vegetable Protein) tacos.

I sauté some onions in Olive Oil then I add the TVP.  I reconstitute the TVP granules with vegetable broth and add taco seasoning.  I make my own taco seasoning because the stuff you buy at the store has too much sodium.

Takes a whopping 15 min to make!