Boil and peel the potatoes.
In a medium mixing bowl, combine the flour with salt. Add the oil and mix.
Start adding the water while stirring until the dough is formed. Set aside.
Heat up 1-2 Tbsp of olive oil in a pan, add the finely chopped garlic, cumin seeds, ginger, chili pepper, chili powder and chopped cilantro.
When the garlic develops some color, add the onion. Cook until translucent.
Chop the potatoes and add them to the pan.
Add lemon juice and season with salt and pepper.
Cook for 5-7 minutes.
Cut the dough 8 pieces.
Roll each piece into a circle and cut it in two.
Form the samosa and fill with potato mixture.
Deep fry in oil until golden brown.