Romanesco with Golden Raisins, Tahini and Sumac Recipe

Ingredients

• ¼ cup tahini
• Juice of 2 lemons
• 1 garlic clove, minced
• 2 tablespoons cold water
• 2 tablespoons extra-virgin olive oil, plus more for cooking
• Kosher salt
• Freshly ground black pepper
• 2 medium heads romanesco, trimmed and chopped into 1-inch florets
• ¼ cup golden raisins
• 2 tablespoons vegetable stock or water
• 1 tablespoon ground sumac
• Flaky sea salt