Finely dice the leeks. Cook them in a little olive oil for 10 minutes in a frying pan on a medium heat. Beat the egg and mix with the cooked leeks. Add salt and pepper to taste. Use the pan in which the leeks have been cooked to heat a little olive oil and make the omelette.
Cut the aubergine into slices and grill them with a little olive oil. Add salt, pepper and oregano.
Heat the slices of gluten-free Sandwich bread for 15 seconds in the microwave at full power to eat as if fresh. Take a slice of Sandwich bread and place the aubergine and Brie cheese on top. Take another slice of Ideal bread and put the leak omelette on top. Finish with a slice of Sandwich bread. Heat in the microwave for 5 seconds and serve hot.
Brie cheese is naturally gluten-free. However, we still recommend looking at the label to check that it contains no added substance with gluten.