Codfish Flan with almonds - Riberalves

Ingredients

• 500 g deep-frozen soaked codfish Riberalves
• 1 tablespoon of butter
• butter to grease
• 1 large chopped onion
• 3 minced garlic cloves
• 2 tablespoons (full) whole wheat flour
• 1 cup of milk
• 2 eggs
• 1 tablespoon chopped chives
• 100 g toasted almond slices