OK well I just whacked this together;
Finely chop some veg, I used peppers, courgettes, onion and mushroom and gently fry in a pan, with fry light
Meanwhile boil some water and chuck the Gnocchi in, it only takes about 1minute so keep and eye on them so they doesn't go sticky. They're cooked once they are floating on the top of the water.
Drain the gnocchi and add to the veg, reduced the heat and cook for about 1minute until the gnocchi is just a little brown.
In a bowl, mix together some VFF fromage frais with a tea spoon of ketchup and 1tbsp of tomato puree, a splash of balsamic vinegar and a drizzle of worcestershire sauce.
Whack it in the frying pan to heat the sauce through. This wont take long (30sec - 1minute) and leave it too long it'll currdle.
Sprinkle some cheese over the top
and serve. (I just put the burgers in my George Forman at the very start)