Vegan roast beef can be for a special holiday meal or prepared on the weekend for dinner or meal prep for busy weeknights or weekday lunches. The main ingredient in this vegan roast recipe is mushrooms, making it savory and delicious. There are instructions for cooking it either on the stove or in an instant pot. Also included is a preparation tutorial for baking it as a vegan holiday roast or Sunday roast with colorful root veggies.