First, make a homemade enchilada sauce out of tomatoes, garlic, onions, peppers, and a vegan bechamel. Prep and begin to layer tortillas, ground "meat," vegan bechamel, spinach, vegan cheddar cheese, and enchilada sauce until you've reached the top of the baking dish. Bake until the cheese is melty and serve with an arugula side salad.