Cut the florets off the the stalks and set aside. Peel the tough outer skin from the stalks and chop into 1/2 inch slices. Discard the skins.
Put the florets and stalks on a baking sheet big enough to hold everything in a single layer.
Add olive oil, salt and pepper to the broccoli and toss well.
Roast in a 425 degree oven for about 20 to 25 minutes. Toss the broccoli a few times during cooking in ensure even browning.
Put the broccoli in a serving bowl and add the lemon juice and toss well. Taste for seasoning.
Enjoy!