Located at 23518 Woodbine Ave, Unit # 10 Keswick, ON L4P 3E9 CA Mucho Burrito, Fresh Mexican Grill, is Canada's largest chain of premium fast-casual Mexican restaurants. Since its inception in 2006 Mucho Burrito has been committed to delivering mucho customer satisfaction by creating authentic Mexican-inspired food that lives up to their promise: Fresh Mexican Grill. Mucho Burrito only serves food that is mucho real and mucho fresh. It's made by hand right in front of our guests' eyes, using only the freshest ingredients, free of artificial flavours and preservatives.