Spicy Pork Stew

1 pork shoulder, chopped
1 onion, peeled and chopped
2 cloves garlic, minced
2 sticks celery, diced
2 carrots, diced
1 can chopped tomatoes
2 tsp chilli flakes
Oil
Salt and pepper


Put the pork shoulder into a ovenproof dish, bake for 30 minutes at 220 degrees centigrade. Meanwhile, heat some oil in a large saucepan and fry the onions and garlic until softened. Add the celery and carrot and continue cooking until beginning to brown. Add the chilli flakes and chopped tomatoes. Bring to the boil and season with salt and pepper. Remove the pan from the oven and pour the tomato sauce on top. Cover and bake for 2 hours at 160 degrees centrigrade.