Cauliflower Mac and Cheese

Ingredients (12)

• 1 (2-pound) head cauliflower, cut into medium florets, stem trimmed and coarsely chopped
• 2 tablespoons olive oil
• Salt, to taste
• Freshly ground black pepper, to taste
• 1 cup whole milk
• 4 ounces cubed cream cheese, room temperature
• 1 teaspoon Dijon mustard
• 1/2 teaspoon ground turmeric
• 1/2 teaspoon garlic powder
• 1 1/2 cups shredded sharp cheddar cheese
• 1/4 cup grated Parmesan cheese
• Thinly sliced chives, optional, for garnish