Punjabi Lamb in Spinach and Tomatoes

Name: Punjabi Lamb in Spinach and Tomatoes
Prep time: 2 h 30 min
Cook time: 2 h 30 min
Total time: 2 h 30 min
Yield: 4
Cuisine: Global
Ingredients: 2 bay leaves; 400 grams chopped tomatoes; 1 cinnamon stick; 1 Tbsp grated fresh ginger; 4 cloves garlic; 2 Tbsps ghee; 2 larges fresh green chilies; 1 teaspoon ground coriander; 1 teaspoon ground cumin, extra; 2 kgs stewing lamb; 2 mediums onions, sliced; 500 grams spinach, chopped; 60 milliliters tomato paste; 2 Tbsps vegetable oil