Easy Sheet Pan Shrimp Fajitas for a Quick Dinner Step-by-step instructions

Before you start

Before starting, ensure all vegetables are washed and sliced into even, uniform strips to promote consistent roasting. Pat the shrimp dry thoroughly, as moisture is the enemy of a good roast; dry shrimp will brown beautifully, while wet shrimp will steam.

Preheat the oven well in advance to ensure the temperature is steady when the pan goes in. Having all ingredients measured and ready to go will make the assembly process seamless and quick, allowing you to get the meal into the oven without delay.

Instructions

Assembly Phase

1. 1Prepare the ingredients
   Preheat the oven to 400°F (200°C). Line a large sheet pan with parchment paper. Arrange the peeled shrimp, sliced bell peppers, and sliced onions in a single, even layer across the pan to ensure they roast rather than steam.
   Look for The vegetables should be spread out without overcrowding to allow for even browning.
   Tip Pat the shrimp dry with paper towels before adding to the pan to help them develop better roasted spots.

At the end of this phase, the sheet pan should be neatly arranged with a single layer of shrimp and vegetables. Everything should be evenly coated with oil, lime juice, and the fajita spice blend, ready to be placed into the hot oven for immediate roasting.

Roasting Phase

2. 2Season and roast
   Drizzle the olive oil and lime juice evenly over the shrimp and vegetables. Sprinkle the fajita seasoning across the entire pan. Place the sheet pan in the oven and roast for about 10 to 12 minutes, or until the shrimp are opaque and firm, reaching an internal temperature of 145°F (63°C).
   Look for Look for the shrimp to turn fully pink and opaque, and for the pepper strips to soften with light roasted edges.
   Safe temperature 145°F (63°C) internal temperature (shellfish)
   Tip Do not overcook the shrimp, as they can quickly become rubbery if left in the oven for too long.

Once the timer goes off, the kitchen should smell aromatic and savory.

The shrimp should have transformed from translucent gray to a bright, opaque pink, while the peppers and onions should appear soft, slightly shrunken, and marked with light, appetizing roasted spots throughout the pan.

Serving Phase

3. 3Serve immediately
   Remove the pan from the oven. Use a metal spatula to toss the shrimp and vegetables gently. Serve the fajita mixture directly from the sheet pan while hot, ensuring each serving includes a mix of shrimp, peppers, and onions.
   Look for The shrimp should be cooked through to 145°F (63°C) and the vegetables should be tender with slight char marks.
   Safe temperature 145°F (63°C) internal temperature (shellfish)
   Tip Serve with warm tortillas or over rice if desired for a more filling meal.

The final dish is ready when the shrimp are firm and the vegetables are tender. When lifted with a spatula, the ingredients should hold their shape and look vibrant, with a light coating of seasoned oil that ties the flavors together for a perfect, cohesive bite.

Common mistakes

Avoid overcrowding the sheet pan, as this causes the ingredients to steam rather than roast, leading to bland, mushy vegetables. Do not skip drying the shrimp, as excess moisture prevents the Maillard reaction that creates those savory browned spots.

Additionally, be careful not to overcook the shrimp; they have a very narrow window of perfection and will become rubbery if left in the oven for even a few minutes too long. Always use a timer to keep track of the short roasting duration.

How to tell it’s done

The shrimp are done when they are completely opaque, pink, and firm to the touch. They should reach an internal temperature of 145°F (63°C). The vegetables should be tender and show slight browning or charring at the edges.

If the shrimp look white and curled tightly into a 'C' shape, they are perfectly cooked; if they are curled into a tight 'O' shape, they have likely been overcooked and may be tough.

• Shellfish: 145°F (63°C) in the thickest part