Salad Kangkung Kembang Kol Panggang dengan Saus Miso Tahini

Bahan-bahan (4 porsi)

• 1 head cauliflower ((2 lb, 907 g))
• 2 Tbsp extra virgin olive oil
• ½ tsp Diamond Crystal kosher salt
• freshly ground black pepper
• ¼ red onion
• 1 bunch kale ((7 oz, 200 g; I used curly kale))
• ⅓ cup glazed pecans ((optional; highly recommend))
• ⅓ cup croutons ((optional; highly recommend))
• 2 Tbsp tahini
• 4 Tbsp Homemade All-Purpose Miso Sauce
• 3 Tbsp rice vinegar (unseasoned) ((or 2 Tbsp lemon juice))