SQUASH: Take 2 of the squash and cut lengthwise. Remove flesh using a teaspoon from each half of the squash. The hollowed shell should be approximately 1/8-inch thick. Chop flesh into small pieces. Take the third whole squash and chop into small pieces as well. Combine chopped whole squash and flesh and set aside. Add butter to saucepan on medium heat and add leeks. Cook for approximately three minutes or until tender. Add chopped garlic and chopped squash. Cook until tender, approximately 4 minutes. Add bread crumbs, Parmesan cheese and parsley. Stir mixture and remove from heat. Season with salt and pepper and allow the mixture to cool for about two minutes. Stuff each hollowed squash with vegetable mixture. Place them, stuffed side up in a casserole dish with 1/4 cup of water. Cover and bake in 350 degree oven for approximately 20 minutes or until squash is tender. Remove from oven and serve with stewed tomatoes.
STEWED TOMATOES: Score bottom of each tomato making an 'X' mark. Place tomatoes in boiling water for 2 minutes. Remove tomatoes and shock them with ice cold water. Peel skin from tomatoes starting from the bottom using scored 'X' mark as a guideline. After removing skin, chop tomatoes and set aside. Add vegetable oil to saucepan on medium heat. Add chopped onions and cook for approximately 3 minutes. Stir occasionally, add garlic, celery, green peppers, chopped tomatoes, and sugar. Stir mixture and simmer for 10 minutes. Add parsley, thyme, and bay leaf and stir again. Simmer for approximately 10 to 15 minutes. Season with salt and pepper to taste.