Cook beef in a large saucepan over medium-high heat until beef is browned, stirring to crumble; drain. Return beef to pan; stir in seasoning.
Mash 1 can beans with a fork. Add mashed beans and remaining can beans to beef mixture. Stir in peppers and broth; bring to a boil. Reduce heat, stir in salsa, and simmer, uncovered, 5 minutes.