Aloo Gobi

Ingredients

• 5 tbsp butter
• 1 1/4 lb Desiree potatoes, peeled, cubed
• 1/4 cup vegetable oil
• 1 tsp black mustard seeds
• 1 None onion, peeled, finely chopped
• 1 tsp freshly ground coriander seeds
• 1 tsp freshly ground cumin
• 3/4 tsp ground turmeric
• 1/2 tsp chili powder
• 1/2 tsp paprika
• 1 None lemon, juiced
• 3 None large tomatoes, peeled, diced
• 2 tsp peeled, grated fresh ginger
• 1/2 small head cauliflower, cut into small florets
• None None chopped fresh cilantro, to serve