Chic and Cheerful - Savoury French Olive, Cheese and Onion Cake – Recipe Wise

Ingredients

• 2 tablespoons olive oil
• 1 small onion , halved and finely diced
• 100 g plain white flour
• 2 teaspoons baking powder
• 1/4 teaspoon salt
• 4 large eggs , lightly beaten
• 200 ml milk
• 100 g finely grated gruyere
• 100 g green olives , pitted and halved