Combine all ingredients together in a bowl. Toss to coat brussels sprouts in oil and seasoning.
Spread brussels sprouts in a single layer in a cast iron skillet. Roast for 15 minutes. Remove from oven shake skillet to turn brussels sprouts. Return to oven for another 10 minutes.
After 10 minutes, turn on broiler and broil for 2 - 3 minutes or until the outer leaves of the brussels sprouts crisp. Season to taste with salt and pepper. Serve