Preheat your oven to 400 degrees F. Coat a baking sheet with non-stick cooking spray or line with a silicone mat.
Cut sweet potato into bite sized pieces, Add half your oil and salt. Place sweet potatoes onto your baking sheet.
Bake for 10-15 minutes, while you prepare the rest of the recipe..
Cut the rest of your veggies. Add ranch seasoning and the other half of the oil olive. Toss until evenly coated.
Cut chicken breast into bite sized pieces unless you purchased them pre-cut. Add to the same bowl and mix until they are coasted with the ranch and oil.
Remove the baking sheet from the oven and add your vegetables/chicken to the pan.
Bake for another 20 to 25 minutes, or until the chicken is cooked through and the potatoes are fork tender.
Carefully remove from the oven. Serve immediately.