Cut cauliflower into small chunks. Remove any of the green leaves and thick stems. Rice cauliflower on food processor or grater.
To make in a food processor: add cauliflower chunks into food processor and pulse until it resembles rice or couscous.To make with a box grater: carefully grate cauliflower into a large bowl.
Heat olive oil in a large skillet over medium-high heat. Add onions, tomato and garlic. Saute for 10 minutes, until onions are completely softened.
Add broth, tomato paste, salt, paprika and cumin. Mix together until tomato paste has completely dissolved.
Add cauliflower rice and stir to fully combine with the broth. Cook for 3 to 5 minutes, until cauliflower has softened. Taste and season with salt, if necessary.
Remove from heat and serve with chopped cilantro and fresh limes.
Notes
Want some heat? This recipe isn't spicy at all, so if you want to give it a little kick, you can add some finely chopped jalapenos or serranos. You could also add a generous pinch of chili powder.
Use frozen riced cauliflower. You can buy frozen riced cauliflower at the store. You'll need 2 10-ounce bags of frozen riced cauliflower.