Preheat oven to425°
Slice cauliflower 1- 1 1/2 inches thick and lay them on a baking sheet.
Brush or spoon sweet chili sauce over cauliflower.
Roast cauliflower for 10-15 minutes or until tender when pierced.
Remove cauliflower from the oven and top the cauliflower with more sweet chili sauce.