Cod fillet with lettuce sauce, oven-roasted tomatoes and garden herbs

Ingredients

• 2 cod fillets
• 350 g lettuce
• 20 ml white wine
• 3.5 g salt
• ½ g Xanthan gum
• 25 ml water
• 22 ml extra virgin olive oil
• 65 ml apple vinegar
• 12 Piennolo tomatoes
• 2 sprigs of thyme
• 2 sprigs of rosemary
• 1⁄2 garlic
• 40 ml extra virgin olive oil
• 3 g salt