Onion Tarts Dec 31, 1999 INGREDIENTS:1 ½ lbs. Spanish (yellow) onions 1 Tbsp. olive oil ½ tsp. oregano ½ tsp. salt Dash pepper 3 eggs, beaten 1 pastry for double crust 9-inch pie * ½ cup lowfat Jarlsberg of Swiss cheese, shredded 1 ½ cups...