Beetroot Poriyal is sweetish spicy, nutritious and tastes best when served with Sambhar, some Puli Inji, finished up with Sambaram.
You can make a variation of this recipe by adding onion to it. Just add the onion in the oil after tempering, saute it for a minute and then add the beetroot.
To make it healthier, you can add dry fruits powder to the recipe. It will increase the health quotient and also makes it more delicious.