Dosa-Spiced Potato Cakes with Quick Cucumber Pickle

Ingredients

• olive or coconut oil
• 1 large onion, peeled and finely chopped
• 1 tablespoon black mustard seeds
• 1/2 teaspoon ground turmeric
• 10 curry leaves
• 4 large potatoes, boiled, drained and coarsely mashed, or 4 big spoons of leftover mash
• sea salt and freshly ground black pepper