Sheet Pan Lemon Butter Cod with Broccoli

When you need a balanced seafood dinner without multiple pans to scrub, this sheet pan combination delivers flaky fish and roasted greens side by side. Tender cod loins cook quickly alongside broccoli florets, absorbing a simple emulsion of melted butter, garlic, and bright lemon juice while roasting in a hot oven.
Why this one works
- Cod loins stay moist and tender under a quick garlic-lemon butter drizzle.
- Broccoli florets pick up subtle browned edges in the 400°F oven.
- Everything roasts together on one rimmed pan for easy cleanup.
- The entire dish requires only 10 minutes of hands-on preparation.

What you’ll need
- 2 fillets (340g) cod loin Thicker loin cuts hold their shape well and remain juicy during high-heat roasting.
- 4 cups (400g) broccoli florets Cut into uniform bite-sized pieces so they roast evenly alongside the fish.
- 3 tablespoons (45g) unsalted butter Melt gently so it whisks smoothly into the lemon juice and minced garlic.
- 1 tablespoon (15ml) lemon juice Provides bright acidity to balance the rich melted butter.
- 2 cloves (10g) minced garlic Mince finely to distribute savory garlic flavor evenly across the pan.
- 1/2 teaspoon (2g) sea salt Sprinkle evenly over the fish and vegetables right before roasting.
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What to have nearby
- Large rimmed sheet pan
- Small bowl and whisk
- Fork for testing fish doneness
Step-by-step instructions
Arrange your ingredients with enough breathing room on the pan so the broccoli roasts rather than steams. Whisk the seasoned butter thoroughly before pouring it evenly over both the fish and the vegetable florets.
- 1Step 1
Preheat oven to 400°F (200°C).
- 2Step 2
Place cod and broccoli on a large sheet pan.
- 3Step 3
Whisk melted butter, lemon juice, and garlic together.
- 4Step 4
Drizzle the butter mixture over the cod and broccoli.
- 5Step 5
Season with salt.
- 6Step 6
Roast for 15 minutes until the fish flakes easily with a fork and broccoli is tender-crisp.
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A few things worth knowing
- Pat the cod loins dry with a paper towel before placing them on the pan to help the butter mixture adhere.
- Space the broccoli florets around the cod rather than piling them up to encourage tender-crisp edges.
- Check doneness by gently pressing the thickest part of a fillet with a fork; it should separate easily into opaque flakes.
Ways to make it your own
- Garnish with fresh lemon wedges for an extra squeeze of citrus at the table.
- Finish with freshly cracked black pepper or finely chopped flat-leaf parsley before serving.
Serving suggestions
Serve the roasted cod and tender-crisp broccoli immediately while hot. It pairs naturally with fluffy white rice, buttered baby potatoes, or a simple side of crusty bread to catch any remaining lemon butter on the plate.
Storage & reheating
Let leftovers cool completely before transferring the cod and broccoli to an airtight container. Keep refrigerated and reheat gently in a low oven or covered skillet to avoid drying out the delicate fish.
Nutrition notes
Nutrition is provided as a general estimate for the listed recipe. Brands, exact portions, and ingredient swaps can change the numbers.
Quick recipe answers
How do I know when the cod is finished roasting?+
The fish is ready when it turns opaque throughout and flakes apart easily when gently pressed with a fork at the thickest section.
Can I use frozen cod loins for this recipe?+
Thaw frozen cod completely in the refrigerator and pat dry with paper towels before cooking so excess moisture does not dilute the butter sauce.
Why did my broccoli turn soft instead of tender-crisp?+
Crowding the pan traps steam. Spread the florets across the pan in a single layer with space between them.
Roasting cod alongside fresh broccoli in a simple garlic lemon butter sauce keeps dinner straightforward and satisfying. It is an approachable way to prepare fresh seafood any night of the week.

Sheet Pan Lemon Butter Cod with Broccoli
Tender cod loins and fresh broccoli florets baked together on one sheet pan with a bright, savory garlic lemon butter drizzle.

Ingredients
- 2 fillets (340g) cod loin
- 4 cups (400g) broccoli florets
- 3 tablespoons (45g) unsalted butter
- 1 tablespoon (15ml) lemon juice
- 2 cloves (10g) minced garlic
- 1/2 teaspoon (2g) sea salt
Instructions
- Preheat oven to 400°F (200°C).
- Place cod and broccoli on a large sheet pan.
- Whisk melted butter, lemon juice, and garlic together.
- Drizzle the butter mixture over the cod and broccoli.
- Season with salt.
- Roast for 15 minutes until the fish flakes easily with a fork and broccoli is tender-crisp.
Nutrition
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