Codfish rolls in tomato sauce - Riberalves

Ingredients

• 800 g deep-frozen soaked cod fish stew Riberalves
• 10 green lasagna sheets
• 2 large onions
• 3 cloves of garlic
• 1 dl of Port Wine
• 0.5 dl of olive oil
• 1 bay leaf
• Peppercorns q.b.
• Salt and pepper q.b.
• FOR THE SAUCE:
• 1 small can of peeled tomato
• 1 large onion
• 2 garlic cloves
• 2 tablespoons of olive oil
• Basil q.b.