Mustard salmon & veg bake with horseradish sauce

Name: Mustard salmon & veg bake with horseradish sauce
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Cuisine: British
Ingredients: 4 parsnips, sliced lengthways; 4 small raw beetroot, thickly sliced; 6 carrots, sliced lengthways; 2 tbsp olive oil; 4 x 125g/4½oz pieces salmonwith skin; 2 tbsp grainy mustard; 2 tbsp hot horseradish; 150ml crème fraîche; 1 tbsp cider vinegar; 1 tbsp chopped dill