paccheri pasta with a quick spicy cauliflower ragu

Ingredients

• 1 lb spaghetti, rigatoni or paccheri pasta
• 1/4 cup of extra virgin olive oil
• 1 white onion, diced
• 6 cloves of garlic, sliced
• 1 tbsp chilli flake
• 1 lb cauliflower leaves + all, chopped in a food processor
• 1 cup white wine
• 1 cup water or broth
• 1/2 cup of parm, plus more to finish
• 1/2 lemon, juiced
• salt, to season + finish
• black pepper, to season + finish