Vegan gyros with cauliflower

Ingredients

• 3 cups small cauliflower florets;
• 2 tbsp. pure maple syrup ;
• The juice of 1/2 lemon;
• 2 tsp ground cumin ;
• 2 tsp ground coriander;
• 1 tsp smoked or sweet paprika ;
• 2 tsp garlic powder;
• 1 tsp onion powder;
• 1/2 tsp ground black pepper (optional);
• 1/2 tsp sea salt (optional).