I'd say a taco with beans is much better than a burger without any Patty(MCD in USA) but that's personal preference on what constitutes a good meat substitute.

I'd say a taco with beans is much better than a burger without any Patty(MCD in USA) but that's personal preference on what constitutes a good meat substitute. Del Taco has Beyond for their tacos and Chipotle has sofritas so I can see Taco Bell offering something other than beans in the near future