Leek, chorizo and goat's cheese tortilla recipe

INGREDIENTS

• 1 olive oil
• tbsp chorizo sausage, use the cooking type if you can, sliced
• 80 medium leeks, trimmed and sliced
• g leftover (new or old) cooked potatoes, thickly sliced
• 3 or 4 sprigs fresh rosemary, needles roughly chopped
• 500 large eggs, beaten and seasoned with salt and pepper
• g goat's cheese, or use mozzarella or another melting cheese