Leek & mackerel penne bake

Ingredients

• 2  leeks washed and sliced trimmed
• 1 knob butter 
• 175 g penne pasta 
• 200 ml pot crème fraîche reduced-fat
• 1 tbsp capers 
• 2 small mackerel smoked flaked
• 25 g breadcrumb 

Equipment

• baking pan
• grill

Directions

1. Fry the leeks in the butter until very soft, about 10-15 mins. Meanwhile, boil the pasta and heat the grill. When the leeks are soft, stir in the crme frache, capers and fish.
2. Heat through for 1 min.
3. Drain the pasta and stir into the sauce, season to taste, then tip everything into a small baking dish. Scatter with the crumbs and grill until golden and crisp.