1. Cut the broccoli into individual florets and peel away any tough skin.
2. Boil in enough salted water to cover until tender but firm. Drain.
3. Heat the oil in a skillet over moderate heat and sauté the garlic until light brown.
4. Add the broccoli and sauté for 5 minutes, stirring frequently.
5. Season with the vinegar or lemon juice, salt, and pepper.