Spanish Tortilla with Truffle Oil

Ingredients

• For the caramelised onion:
• 2 tbsp Light in Colour La Española Olive Oil
• 280g Spanish onion, thinly sliced
• For the tortilla:
• 8 free-range eggs
• 140g salted crisps
• 1 tbsp truffle oil
• Salt and freshly ground black pepper
• 3 tbsp La Española Extra Virgin Olive Oil, for cooking
• To serve:
• La Española Extra Virgin Olive Oil Flavored with Truffle, for drizzling
• Crisp green salad