Ingredients (serves 4):

• 500 g sliced frozen courgettes
• 150 g frozen aubergines in strips
• 50 g sliced frozen onions
• 4 eggs 200 ml full-cream milk
• 100 g grated cheese
• Salt, pepper and nutmeg

Instructions:

• Heat the oven to gas mark 9 (250 °).
• Arrange the vegetables alternately in a shallow dish.
• Break the eggs into a bowl and whisk as you would for an omelette with salt, pepper and nutmeg.
• Add the milk and pour the mixture over the vegetables.
• Sprinkle with the grated cheese.
• Cook in the oven for 25 to 30 minutes. Serve hot, warm or cold.