In a medium sauce pan on medium heat; add OliveOil, mushrooms, sweet onion, parsley, salt, pepper, curry, onion flake, and garlic powder together. Saute slightly.
Add Measure to Measure Flour to make your rue.Cook on low heat for about 5 minutes; slowly add Vegetable Broth, carefully whisk together well. Turn off heat and set aside.
Prepare the Cauliflower Steaks. Wash the entire cauliflower and keep in whole and in tack, do not cut off green leaves yet. (this keeps the cauliflower together as you slice it)
Starting off center, cut roughly 2-3 solid cauliflower steaks from the center of cauliflower. (now trim off the green leaves as you see where the cauliflower will remain intake) The ends will be smaller steaks.
Place the rice mixture into the greased shallow baking pan or Dutch Oven
Place the Cauliflower steaks on top of the rice mixture.
Sprinkle the Cauliflower with Salt, Pepper, and a little Garlic Powder.
Cover with foil and bake for 25 minutes and DO NOT PEEK!
After 25 minutes , take the foil off and spread some shredded Colby Cheese or Vegan Cheese over the Cauliflower.
Bake for an additional 10 minutes, uncovered, until the cheese and cauliflower are golden.