Green Tomato Chili Sauce

18 large green tomatoes, peeled 4 large green peppers 1 large red sweet pepper 5 large onions 1 tsp. celery seed 3 c. sugar 2 1/2 c. vinegar 2 1/2 tbs. salt Cut up vegetables, mix all ingredients together and cook until thick. Put into hot, sterile jars and seal. Process in water bath 10 min. Yield: 5-6 pints