01 - Preheat oven to 425°F. Line a large baking sheet with parchment paper.
02 - Toss cauliflower florets with 2 tablespoons olive oil, smoked paprika, salt, and black pepper. Spread on the prepared baking sheet in a single layer. Roast for 25–30 minutes, stirring halfway through, until deeply golden and charred at the edges.
03 - Rinse brown rice under cold running water until the water runs clear; drain well.
04 - In a medium saucepan, heat 1 tablespoon olive oil over medium heat. Add minced garlic and sauté for 1 minute until fragrant. Add the rinsed rice and stir to coat each grain in the garlic oil.
05 - Pour in vegetable broth and 1 teaspoon salt. Bring to a boil, then reduce heat to low, cover, and simmer for 30–35 minutes until the rice is tender and all liquid is absorbed. Remove from heat and let stand, covered, for 5 minutes.
06 - Fluff the rice with a fork. Stir in lemon zest, lemon juice, parsley, thyme, and dill if using.
07 - Gently fold half of the charred cauliflower into the seasoned rice.
08 - Transfer to a serving platter. Arrange the remaining cauliflower on top and sprinkle with toasted almonds or pine nuts if desired. Serve warm or at room temperature.