Tortilla mini quiches with leeks, ham and goat cheese

Ingredients

• 4 medium-sized tortillas
• 1/2 package of 250 g (2 cups) of Les cultures de chez nous sliced leeks
• 250 ml (1 cup) of diced ham
• 3 eggs
• 100 g (3 1/2 oz) of goat cheese
• 30 ml (2 tablespoons) of olive oil
• 1/2 chopped onion
• 75 ml (1/3 cup) of milk