Bring the veggie broth, garlic, buffalo sauce, nutritional yeast, and onion powder to a boil. Place the rice, chickpeas, and cauliflower in a 9 x 13" pan.
Bake at 400 degrees covered for 45 minutes, stirring once in the middle of cooking time. Uncover and bake for an additional 20 minutes.
Remove from oven and let sit for 5-10 minutes. Top with your favorite vegan ranch dip.