Butter Chicken and Cauliflower

Bahan-bahan (4 porsi)

• 3 tablespoons butter, divided
• 1 small white onion, diced
• 5 cloves garlic, minced
• 2 tablespoons grated or minced fresh ginger
• 1 tablespoon garam masala
• 1 teaspoon each: chili powder, ground coriander, ground cumin, ground turmeric
• 1 (28-ounce) can fire-roasted diced tomatoes
• 1 cup water
• 1 1/2 pounds cauliflower florets, cut into bite-sized pieces
• 1 pound boneless skinless chicken breasts or thighs, cut into bite-sized pieces
• 2 large handfuls fresh baby spinach
• 3/4 cup heavy cream or coconut milk
• 1 tablespoon lemon juice
• fine sea salt and freshly-ground black pepper
• for serving: basmati rice, naan, fresh cilantro and extra lemon wedges