Of course, you can steam or roast the cauliflower just for this soup.
But ... here's the other thing. You could make this with a different vegetable, or even a mix of vegetables, as long as you like them together. Which means this is great whenever you have leftovers. I'm all about finding good uses for leftovers.
The rice mix I used here was actually a new mixed grains medly from Minute Rice - they sent me samples and I've been having some fun with it. It has several types of rice along with quinoa, and is meant to be cooked as a side dish, either on the stove or in the microwave, but I figured it would be fine in this soup. And it cooks fast, which means that this soup was ready to eat really quickly.
Creamy Cauliflower Rice Soup
3-4 cups cooked cauliflower
1 quart vegetable or chicken stock
1/4 cup instant mashed potatoes, for thickening (if needed)
1 packet (about 3/4 cup uncooked) Minute Rice Multi-Grain Medly
Salt and pepper, to taste
Combine the cauliflower and chicken stick in a blender and puree until smooth, then transfer to a saucepan. You could also but both in a saucepan and use a stick blender to puree it.
Heat on medium heat. Add the minute rice, stir to combine, and cook until the rice is cooked through. If you prefer a thicker soup, add the instant potatoes and cook for a few more minutes.
Taste, and add salt and pepper to taste. I happen to like creamy soups with a generous amount of pepper.
If you like, garnish with some chopped herbs, or a complimentary vegetable, shredded or diced. I happened to have some brussels sprouts, so I used that.
I received samples of the Minute Rice Multi-Grain Medly at no cost to me. I wasn't required to use it in a recipe, but it worked really well here. And yes, I'd buy it again. It's handy to have on hand. And I'm kind of a fiend for rice.