Season and dry the fish: Pat the sea bass fillets thoroughly dry with paper towel and season both sides lightly with salt and a little black pepper. Drying the skin and surface removes excess moisture so the fillets will sear and char rather than steam — this gives you a crisp, caramelized exterior and clean fish flavor.

Prepare the citrus and herb elements: Zest 1 tsp each of the orange and lemon and set aside for the salsa. Segment the orange and lemon over a bowl (cut between membranes) to collect the segments and any juice in the bowl — this bright juice will dress the salsa. Finely chop the mixed herbs and place in a medium bowl.

Make the spring herb salsa verde: To the chopped herbs, add the reserved citrus segments and juice, chopped capers, 1–2 teaspoons olive oil (from pantry), the reserved citrus zests, and a pinch of salt and pepper. Toss gently and taste. The citrus segments and capers provide acidity and briny punch; the oil binds the herbs so they cling to the fish and carry flavor across the plate.

Infuse the saffron: Crush the saffron threads lightly between your fingers and add to the 4 teaspoons of hot (not boiling) water; let steep 5–10 minutes until the water turns a deep golden color. This step blooms saffron’s volatile aromatics — a short steep in hot water unlocks both color and flavor without overcooking the threads.

Prepare the cauliflower rice: Heat a large non-stick skillet over medium heat. Add the minced garlic (if using) and a very small splash of oil or a light spray; cook 20–30 seconds until fragrant — not browned — to avoid bitterness. Add the riced cauliflower and stir to combine. Cooking the cauliflower removes raw moisture and concentrates its flavor; keep the heat moderate so it cooks through without turning mushy.

Add saffron and finish the rice: Stir the saffron and its steeping liquid into the cauliflower rice, mixing well so the rice picks up the color and aroma. Cook, stirring occasionally, until the cauliflower is tender but still has some bite, about 4–6 minutes. Off the heat, stir in the butter (or 1 tsp olive oil per serving if you prefer) to add silkiness; season with salt and pepper to taste. Fat added at the finish boosts mouthfeel and carries saffron’s flavor.

Heat the grill or grill pan: Preheat an outdoor grill or a heavy cast-iron/grill pan over high heat until very hot (you should see a little smoke). A very hot surface is essential for rapid charring and a short cook time so the fish stays moist inside.

Oil the fish: Brush both sides of each fillet lightly with the measured 1 tsp olive oil per person (total 4 tsp for 4 fillets). Oil helps conduct heat directly to the skin for a crisp char and prevents sticking; use just enough to coat rather than pool.

Grill the sea bass: Place fillets skin-side down (if skin-on) on the hot grill or pan. Leave undisturbed for 3–4 minutes to develop a deep char — the skin will release when it’s ready. Flip gently and cook 1½–3 minutes on the flesh side until the fish is opaque and flakes with a fork. Sea bass fillets are relatively thin; high heat and brief cooking lock in juices while the char adds savory complexity.

Rest briefly and finish: Transfer fillets to a warm plate and rest 1–2 minutes — this lets juices redistribute. If desired, spoon a small spoonful of the herb salsa onto each fillet so some of the herbs hug the fish while the rest stays bright and fresh on the plate.

Plate and garnish: Spoon a bed of saffron cauliflower rice onto each plate, place a charred sea bass fillet on top, and spoon the remaining herb salsa around and over the fish. Finish with an extra scattering of citrus zest and a few capers for texture. The contrast of warm saffron rice, hot charred fish, and cool, acidic herb salsa is what makes the dish sing.

Taste and adjust: Offer lemon wedges on the side for diners who want extra brightness. Advise diners to eat a little of each component together — fish, rice, herb salsa and citrus — for the intended balance of flavors and textures.