Wash brussels sprouts, peel outer (dirty) leaves and trim bottoms. Discard these extra leaves and pieces. Halve clean brussels sprouts and place onto a baking sheet.
Drizzle with olive oil and sprinkle with salt and pepper. Toss to coat thoroughly and turn all pieces to be cut side down.
Bake 20-25 minutes, or until brown and tender to your liking. (I turn mine after 20 minutes and bake another 5-10.)