Moroccan Cauliflower Date Tagine

Name: Moroccan Cauliflower Date Tagine
Prep time: 15 min
Cook time: 20 min
Total time: 35 min
Cuisine: Moroccan, African
Ingredients: 2 tbsp / ½ oz spelt flour; ½ tsp chili powder; 1 tbsp coriander; 1 tbsp cumin; 1/4 tsp cardamom; 1 tsp ground ginger; 1/2 tsp cinnamon; freshly ground black pepper (approx. 6 peppercorns); 2 tbsp / 1 oz extra virgin olive oil; 2 garlic cloves; ½ cup / 3 ½ oz onions; 4 cups / 18 oz cauliflower florets; 1 can /15 oz canned crushed tomatoes (no salt added); ½-1 cup / 2-4 oz dates, pitted, to taste; ⅔ cup / 5 oz vegetable stock (or 1 tsp paste & 5 oz water); Israeli couscous, to serve; fresh mint, cilantro, or raisins (optional garnish)