Ingredients: 500g pork fillet, sliced into thin strips or medallions 2 tbsp vegetable oil 1 large onion, sliced 2 garlic cloves, minced 1 tbsp fresh ginger, grated 2 ripe tomatoes, chopped 1 tbsp fresh coriander/dhania, chopped Juice of 1/2 lemon (optional) 1 green or red chili (optional), sliced 1/2 tsp turmeric 1 tsp paprika 1...