The new launches follow the major success of the chain's Beyond Taco, more than 2,000,000 of which have been sold since April
The option was only added to the menu 11 days ago, but the brand has seen an increase in customer spending and traffic in that time period
The outlet is one of the latest fast-food eateries to expand its meat-free offering, as consumer demand for vegan and vegetarian food continues to grow
The Mexican-style eatery is permanently keeping its plant-based options after a 'successful trial run'
Del Taco is the brand's first official US drive-thru partner