Cauliflower steak with chickpea breading

Ingredients

• 1 cup dried chickpeas, soaked overnight, or 2 cans chickpeas, drained;
• 1 tsp garlic powder
• 1 tsp dried thyme or oregano
• 1/2 tsp red pepper
• 1/2 tsp sea salt (optional)
• 1 large or 2 small heads of cauliflower
• 1 1/3 cups cassava flour
• 1 1/3 cup water (more if needed)
• 1 tsp sea salt (optional)
• 4-6 cups of leafy greens, for serving
• 2-3 tablespoons chopped parsley, for serving
• 1 small onion, finely chopped (about 1 cup)
• 3 cups chopped mushrooms (about 250 g)
• 1/2 tsp garlic powder
• 2 cups vegetable broth or medicinal broth
• 1 tbsp. coconut aminos (optional)
• 1 cup cold unsweetened almond milk (or substitute with more vegetable broth if you prefer a fat-free option)
• 4 tablespoons arrowroot powder or tapioca starch