Bring the stock and liquid smoke to a boil in a small pot Remove it from the heat add the TVP and let sit for 5 minutes
Warm the oil in a medium saucepan over medium-high heat Add the onion and saut for 1 minute Add red and yellow bell peppers and saut for an additional minute
Add the rehydrated TVP Taco Seasoning and water Cook until all the water has been absorbed and Taco Seasoning has been evenly distributed
Lightly toast the taco shells or soften the corn tortillas in a microwave for 30 seconds Fill with the TVP mixture and then top with tomatoes and taco sauce