Break broccoli into flowerets.
Discard large stems.
Trim smaller stems; cut stems into thin slices.
Place 2 to 3 inches of water and steamer basket in large saucepan; bring water to a boil.
Add broccoli; cover.
Steam 6 minutes or until crisp-tender.
Place broccoli in serving bowl.
Add butter and lemon juice; toss lightly to coat.
Season with salt and pepper to taste.