Cook farro according to package directions.
While the farro cooks, heat cooking oil in a large skillet over medium-high heat. Add the onions and cook for 3-4 minutes.
Add the mushrooms and broccoli and cook another 5-7 minutes. Add salt and pepper to taste.
Drain farro and add it to the vegetables and mix to combine.
Make the tahini sauce. Add everything from the almond milk through the salt into a blender and blend it all up.
Add the tahini sauce to the vegetables and farro and mix until combined. Cook 2-3 minutes to warm everything up.