Cut vegetables into uniform, bite-sized pieces and arrange denser vegetables (broccoli, bell pepper) closer to the heat source, placing softer items (zucchini, squash) toward cooler edges to ensure everything finishes simultaneously.

Add shrimp in the final 5-7 minutes of cooking after vegetables have started caramelizing; this prevents overcooking and ensures they stay tender and succulent rather than rubbery.

Toss vegetables with olive oil first, spread them out, then add shrimp and aromatics separately so they don't steam—this creates a flavorful char while vegetables roast properly.

Reserve fresh lemon zest to sprinkle over the finished dish instead of squeezing juice during cooking; this brightens flavors and prevents the acidic juice from inhibiting browning and caramelization.

Mince garlic finely and distribute it evenly across the pan rather than clustering it; add it midway through cooking to prevent burning while still infusing the oil with deep, aromatic flavor.