Peter’s Yard Original Sourdough Crackers with Mushrooms a la Grecque - Peter's Yard

Ingredients

• 400ml water
• 100ml white wine vinegar
• 50ml dry white wine
• 1 tsp sugar (or more to taste)
• 1 tsp black peppercorns
• 4 cloves garlic, peeled and thinly sliced
• 4 bay leaves
• 1 tsp salt (or more to taste)
• 50ml olive oil
• 2 small carrots, very thinly sliced lengthways
• 1 celery heart, stalks very thinly sliced, leaves reserved
• 400g baby mushrooms, cut into a similar size
• 1 strip lemon peel
• Few chilli flakes, to taste, optional
• Few sprigs of flat leaf parsley, roughly chopped