1. Heat 1 1/2 teaspoons butter in a large skillet over medium heat. Add leek and zucchini; sauté 6 minutes or until leek mixture is lightly browned.
2. Combine milk and next 5 ingredients in a bowl; stir with a whisk. Stir in leek mixture and spaghetti.
3. Preheat broiler.
4. Heat 1 1/2 teaspoons butter in pan over low heat. Add egg mixture. Cover; cook 10 minutes or until almost set. Top with cheese. Wrap handle of pan with foil. Broil 5 minutes or until cheese melts.
carbo rating: 28