How To Make This Creamy Cauliflower Casserole With Olives And Red Onion

Creamy cauliflower casserole with olives and red onion features a homemade tahini-based dressing. The casserole is packed with cauliflower, chickpeas, spinach, and bell pepper, roasted with the sauce, and topped with millet. Garnish with mint and sesame seeds before serving.