> broccoli

Have almost no carbs or any calories, they are basically just water. Like you'd need to eat 1kg just to get 300 calories (less than in e.g. 100g chickpeas).

They are 75% carbs. Don't miss the point in your focus on one thing that I said. Replace it with sweet potatoes, carrots, and any other health promoting vegetable that Americans don't eat (and when they do, without slathering in sugar/fat).