Add cabbage, red bell pepper, corn and black beans. Allow all ingredients to sit for at least six hours, stirring occasionally.
Drain juices right before serving.
Score and core tomatoes. Place tomatoes in the boiling water and remove before the water returns to a boil. After removing the tomatoes, quickly submerge them in an ice water bath. Peel, seed, chop and reserve for use. Preheat skillet on medium heat.