Peel onion and cut into rings. Clean, wash and chop the spring onion. Whisk eggs and milk, season with salt and pepper. Roast the nuts in a pan and take them out. Steam onion and spring onion in 1 teaspoon of hot butter, take out.
Heat 1 teaspoon of butter and let half of the egg fry for 3-4 minutes at low heat. Cut goat cheese into slices. Put half onions and cheese on an omelette half, fold over, take out, keep warm.
Bake a second omelette with the rest of the butter, egg, onions and cheese. Serve sprinkled with nuts. Sprinkle with syrup if necessary.