Follow these simple steps to create your Sheet Pan Chicken Pitas with Herby Ranch:

1. Preheat the Oven: Start by preheating your oven to 425°F (220°C).
2. Prepare the Chicken: Cut the chicken breasts into bite-sized pieces. Place them in a mixing bowl.
3. Season the Chicken: Drizzle the olive oil over the chicken and toss to coat. Season with salt and pepper to taste.
4. Add the Veggies: Slice the bell peppers and add them to the bowl with the chicken. Toss until everything is evenly coated.
5. Arrange on Sheet Pan: Spread the chicken and peppers out on a large sheet pan in a single layer.
6. Bake: Place the sheet pan in the preheated oven and bake for about 25-30 minutes, or until the chicken is cooked through and the peppers are tender.
7. Prepare the Pitas: While the chicken and veggies are baking, warm the whole wheat pitas in a dry skillet or in the oven for a few minutes.
8. Drizzle Ranch: Once the chicken and veggies are done, remove the sheet pan from the oven. Drizzle the herby ranch dressing over the chicken and peppers.
9. Assemble the Pitas: Take a warm pita and fill it with the chicken and vegetable mixture.
10. Serve: Enjoy your delicious Sheet Pan Chicken Pitas with Herby Ranch while warm.