In a large bowl, mix together the crab, breadcrumbs, 1/4 cup yogurt, 1/2 of the lime juice, egg, egg white, scallions, cilantro, chopped red bell pepper and salt & pepper.
Cover and let chill in refrigerator for an hour.
Spray a large cookie sheet with non-fat cooking spray.
Shape evenly into 16 patties and set on cookie sheet.
Bake for about 12 minutes on each side.
Chipotle lime sauce:
To make Chipotle lime sauce, puree remaining ingredients (jarred pepper, 1/4 cup yogurt, mayo, lime juice, Chipotle seasoning, garlic) in a small blender until smooth.
Drizzle sauce over crab cakes or serve on the side to dip and enjoy immediately.