Keema Pie by Every Nook & Cranny

– 2 tsp olive oil
– 1 small red onion,finely chopped
– 2 fat cloves of garlic, minced
– 1 inch of fresh ginger,finely chopped
– 300 g lamb mince
– 1 tsp ground cumin
– 2 tsp ground coriander
– 1/2 tsp chilli powder
– 1/4 tsp ground cinnamon
– 1 tsp dried Mint
– 400 g can of chopped tomatoes
– 1 tsp garam masala
– 3 tbsp fresh coriander, chopped
– 100 g frozen garden peas
– 220 g self raising flour
– 110 g suet
– 1 tsp nigella seeds (kaloonji)
– 1 tsp fennel seeds
– 125 ml cold milk
– Butter to grease with