Evenly top the roasted vegetables with the juice of the remaining lemon half. Serve the baked fish with the finished vegetables and pesto sauce.
To the bowl of reserved pesto mayo, add the juice of 1 lemon half; stir to combine. Taste, then season with salt and pepper if desired.
While the fish bakes, halve the lemon crosswise, discarding any seeds.
Finish the pesto sauce & serve your dish:
While the vegetables continue to roast, bake the coated fish 15 to 17 minutes, or until the breadcrumbs are lightly browned and the fish is cooked through. Remove from the oven.
Bake the fish:
Drizzle with olive oil.
Evenly top with the remaining pesto mayo and enough of the breadcrumbs to coat (you may have extra breadcrumbs).
Pat the fish dry with paper towels. Season with salt and pepper on both sides.
Transfer 2/3 of the pesto mayo to a separate bowl and set aside for serving.
In a bowl, combine the pesto and mayonnaise.
While the vegetables roast, line a separate sheet pan with foil, then lightly coat with oil.
Remove from the oven.
Arrange in an even layer. Roast 24 to 26 minutes, or until tender when pierced with a fork.
Drizzle with olive oil and season with salt, pepper, and the spice blend; toss to coat.
Place on the sheet pan.
Medium dice the sweet potatoes.
Cut off and discard the bottom 1/2 inch of the broccoli stem; cut the broccoli into large florets.
Line a sheet pan with foil.
Wash and dry the fresh produce.
Preheat the oven to 450°F.
Place the seasoned fish on the sheet pan, skin side down.
Prepare & roast the vegetables: