Roasted Buffalo Cauliflower Pizza

a vegan pizza w. homemade dough & topped w. vegan Ranch Dressing Ingredients: a head of cauliflower, cut into bite-sized pieces 4 tsp. avocado oil 1 tsp. garlic clove, minced & sautéed 1/2 tsp. chili powder 1/4 tsp. black pepper 3/4 c. buffalo sauce (separated), heat of your choice (I use mild!) 1 medium white onion,…