Curried cauliflower fritters

INGREDIENTS

• 1 cauliflower
• flour, for dusting
• vegetable oil
• 1 small piece potato, peeled, optional
• 1 small bunch fresh flat-leaf parsley, leaves picked
• sea salt
• 1 lemon
• 1 teaspoon cumin seeds
• 2 teaspoons black mustard seeds
• 2–3 dried red chillies
• 1 teaspoon black peppercorns
• 200 g self-raising flour
• ½ teaspoon turmeric
• 350 ml cold beer