Heat oven to 425 degrees.

Brush large sheet pan with olive oil or line with parchment paper.

Place frozen chicken on one end of pan in single layer.

Toss butternut squash with a drizzle of olive oil and salt and pepper. Add to sheet pan at the opposite end of the chicken.

Place in oven and bake 10-15 minutes.

Meanwhile, toss brussels sprouts with drizzle of olive oil and salt and pepper.

Remove pan from oven and sprinkle chicken with seasoning. Add brussels sprouts to center of pan and place back in oven. Bake 15-20 minutes more until chicken and vegetables are cooked through.