Not only is broccoli a great pairing for steak, but it is also highly nutritious. Using raw broccoli is best; a 1/2-cup serving of raw broccoli provides almost 70% of the daily value of Vitamin K1 (source - https://www.healthline.com/nutrition/foods/broccoli#:~:text=almost%2070%25%20of) and is an excellent source of Vitamins C and A (source - (https://www.nutrition-and-you.com/broccoli.html).