In a bowl mix the Ultratex and pickle juice with a whisk until gel like consistency (add more Ultratex if needed) and place into a small piping bag.
Place the chilli and spring onion into a bowl of iced water until needed.
Heat the oil in a small frying pan, add garlic and sourdough pieces and cook lightly until golden and crispy, set aside until serving.
Lightly cook the sliced shallot in a little oil until soft, add the stock and sweetcorn then blend in a nutribullet while still warm, then pass through a fine sieve so you have a smooth puree, place in a small piping bag and chill until needed.
Place the silver skin onions in a very hot dry pan to burn (caramelise) 2/3 minutes.