Mix flour, salt, and oil or ghee
Add water gradually and knead into a firm dough
Cover the dough and let it rest
Boil potatoes and peas
Mash the potatoes lightly
Heat oil in a pan
Add cumin seeds, ginger, green chilies, and spices
Add the potatoes and peas
Mix well and cook the filling
Let the filling cool
Divide the dough into small balls
Roll each ball into a thin oval
Cut the oval in half
Shape each half into a cone
Fill the cone with the potato mixture
Seal the edges with water
Repeat with the remaining dough and filling
Heat oil for deep frying
Fry the samosas on low to medium heat until golden brown
Drain on paper towels
Serve hot