In medium bowl, mash beans with fork. Stir in remaining patty ingredients. Shape mixture into 4 patties, about 1/2 inch thick.
Spray 10-inch skillet with cooking spray. Cook patties in skillet 8 to 10 minutes, turning once, until golden brown. Remove from skillet; keep warm.
In same skillet, mix sauce ingredients. Cook over medium-low heat 5 to 8 minutes, stirring occasionally, until vegetables are tender. Serve sauce over patties.