Instructions: In small bowl, combine sour cream, onions, oregano, and salt; mix well.

Refrigerate until serving time.

In medium bowl with fork or in food processor bowl with metal blade, mash beans well. Add bread crumbs, garlic powder, ground red pepper, pepper, egg whites; mix well. Mixture will be soft. With wet hands, shape mixture into 4 patties, 1/2 inch thick.

Spray pan in medium nonstick skillet . "Fry" bean patties 5 minutes over medium heat. Turn and flattten slightly with pancake turner; cook and additional 5 minutes or until thoroughly heated and set. Serve in buns with sour cream sauce.

I also tried mine with a sprinkle of nonfat cheese, which was also yummy.

Makes 4 sandwiches.

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