Preheat oven to 400 degrees F.
Spray a baking sheet pan with cooking spray or drizzle a little olive oil and spread all over evenly.
In a medium bowl, add the peppers, onions and shrimp.
In a small bowl, mix together the fajita seasonings.
Sprinkle the entire seasoning mixture to peppers, onions and shrimp.
Toss well to mix.
Place the seasoned shrimp, peppers and onions to the greased baking sheet.
Place in the oven and cook for 9 minutes or until shrimp is cooked
Remove from the oven and squeeze lime juice over the entire pan.
Serve your shrimp fajitas in a warm tortillas
Garnish with optional toppings: cilantro, avocado or guacamole, salsa, sour cream or plain Greek yogurt, shredded Mexican cheese, lettuce, and/or lime juice.