Preheat oven to 450 degrees. Break the cauliflower into medium florets. Toss with oil, salt, and pepper. Spread on a sheet pan and roast for 20-25 minutes until slightly caramelized and tender.
While cauliflower roasts, add coconut milk and curry powder to a skillet over medium-low heat. Simmer gently until slightly thickened. Stir in honey. Stir in roasted cauliflower. Serve.