Chickpea and Fall Vegetable Tagine

Name: Chickpea and Fall Vegetable Tagine
Ingredients: 2 cups Chickpeas, canned or freshly cooked; 1 Sweet potato, chopped; 2 Carrots, sliced; 1 cup Delicata squash or other winter squash, chopped; 1 cup Spinach or Mustard Greens, packed, finely chopped; 1 14 oz. can whole tomatoes, roughly chopped(include juices); 1 Preserved lemon (diced, including rind); 1/2 cup Green olives, roughly choppedi; 2 Garlic cloves, finely chopped; 1 Large onion; 3 tablespoons Olive oil; 1 tablespoon Curry; 1 tablespoon Rogan Josh seasoning; 2 tablespoons Harissa, or to taste; Serve with cous cous and pass harissa around for extra heat.