Asparagus Tortilla - The Spanish Radish

Ingredients

• 150 ml 5 fl oz/2⁄3 cup Extra Virgin Olive Oil
• 1 onion (finely sliced (Optional))
• 4 garlic cloves (finely chopped)
• 2 bunches of fresh asparagus (finely chopped)
• 6 free-range eggs
• sea salt and freshly ground black pepper