Sous Vide Chicken Korma

Ingredients

• 1/2 medium onion, roughly chopped
• 2 scallions, roughly chopped
• 10 sprigs fresh cilantro, plus 2 tablespoons chopped
• 1 inch fresh ginger, peeled and roughly chopped
• 1 clove garlic, peeled
• Salt and freshly ground black pepper
• 1 pound boneless, skinless chicken breasts
• 1 tablespoon unsalted butter
• 1 teaspoon garam masala
• 1/2 teaspoon ground turmeric
• 2 cups cooked cauliflower florets
• 1 cup frozen peas and carrots, thawed
• 1 cup unsweetened coconut milk
• 3 tablespoons ground cashews
• 1 tablespoon tomato paste
• Juice of 1/2 lemon