Saute garlic and arbol chilies in olive oil for 5 minutes.
Add in the tomatoes, vinegar and cumin and simmer for 10 minutes
Set aside and serve with the samosas
For the dough:
sift together flour and a pinch of salt
Add in water slowly so that the mixture becomes a stiff dough.
Shape into a ball and allow to rest
For the filling
Meanwhile, add oil to a frying pan and fry the meat for a few minutes
Add in the onions and leeks
Season with cumin and salt and pepper to taste
Fry together until the meat is cooked through and the onions and leeks are soft.
Roll out the pastry dough on a floured surface and cut into squares about 4" x 4".
Put a tablespoon of the meat mixture in the middle and fold over to make a triangle
Seal the edges by pressing them together firmly.
Heat oil in a pan or deep fryer and cook until golden brown and crispy.
Remove them with a slotted spoon and set on a paper towel to drain off any excess oil
Serve hot with the sauce, Enjoy!