Fish pie pasta bake

Ingredients

• vegetable oil
• plain flour
• carton skimmed milk
• 50% less fat crème fraîche
• tin salmon, drained and flaked, bones removed
• tin tuna chunks in brine, drained and flaked
• spring onions, trimmed and thinly sliced
• fresh flat-leaf parsley, chopped
• penne
• broccoli head, cut into florets
• grated mature Cheddar