Spaghetti with Melted Cauliflower Sauce | Guest Recipes | Nigella's Recipes | Nigella Lawson

Ingredients

• 1 small head cauliflower (about 1 pound / 450g)
• 1 large shallot
• 6 garlic cloves
• ½ cup extra virgin olive oil (plus more for drizzling)
• kosher salt
• freshly ground pepper
• 4 anchovy fillets packed in oil (drained)
• 1 teaspoon mild chile flakes (such as Aleppo pepper)
• 1 pound spaghetti
• ½ cup grated parmigiano cheese (plus more for serving)
• 1 lemon