Preheat oven to 425.
Spray a large rimmed baking sheet with cooking spray.
In a large mixing bowl, mix parsnips, onions andgarlic with about 2 T olive oil, ½ teas salt, ½ teas pepper (you can add moreolive oil if needed).
Transfer the veggies to the baking sheet and spread out.
Roast for 40 minutes (take out halfway through and toss around).
When the veggies are done roasting, transfer to a blender.
Place all the other blender ingredients in the blender, starting with 1 ½ cups of water.
Blend until smooth and add the rest / more water as needed.
Serve in a bowl, and drizzle with some olive oil, and sprinkle some paprika on top.