One cup of chopped cauliflower (about 107 g) provides roughly 25 calories and 2 g of fiber, per USDA FoodData Central. Cauliflower is low-density and works as a lower-calorie swap for rice, mashed potato, or pizza crust. Roast, steam, or riced, it adds volume and nutrients for almost no calories.

Key facts:

  • 1 cup cauliflower: ~25 kcal
  • Fiber: ~2 g
  • Low-density swap
  • Rice/potato substitute