Aubergine and Potato in a Sesame and Peanut Sauce

Ingredients

• 2 teaspooons toasted peanuts
• 1 teaspoon toasted white sesame seeds
• Half tablespoon ginger, crushed
• Half tablespoon garlic, crushed
• 400g tin of chopped tomatoes
• 2 tablespoons gram flour
• 1/2 teaspoon of turmeric powder
• 300g small aubergines split down the middle, including stalks
• 2 tablespoons vegetable oil (not olive oil)
• Half teaspoon black mustard seeds
• 100g potatoes, peeled and quartered
• Handful of coriander