Well the first thing is to take the swede, chop it into bite-size pieces and give the fúcking thing to the horse.
Beyond that, roast the salmon, serve with lemon and tarragon butter sauce with a pea purée on the side.
OK, then. Do you have beans in the cupboard? If so, mash them up, mix with some softened vegetable bits (beans, peas, peppers, onions, sweetcorn, whatever), season with stuff like onion powder, etc and fry gently as patties until golden brown.
Even Herb was able to cook these and claimed to enjoy them when I gave him the recipe.