Ingredients: 4 medium zucchini 2 Tbsp butter 1 Tomato, chopped 3 Green onions, finely sliced Pepper to taste 1/4 cup grated Parmesan cheese Salt to taste Cut zucchini lengthwise in halves. Scoop out pulp, leaving 1/4 inch wall; chop pulp and reserve. Place zucchini shells cut sides down in dish. Cover loosely and microwave on high (100%) until crisp-tender (about 5-6 minutes.) Cover and microwave reserved pulp, the onions, and butter in a 1 1/2 quart casserole or bowl on high until tender (6-7 minutes.) Stir in cheese, tomato, salt and pepper. Turn zucchini shell cut sides up; spoon mixture into shells. Cover loosely and microwave on high until hot (2-3 minutes.) Makes 8 Servings.   3 net grams of carbohydrate per serving.