Heat a large nonstick skillet over medium-high heat.
Add bell pepper, onion, mushrooms, black beans, tomatoes, barbecue sauce and chili powder and bring mixture to a boil, stirring well.
Reduce heat to a simmer and cook until vegetables are tender, about 5 to 8 minutes.
Serve open faced on toasted bun halves.
Heat a large nonstick skillet over medium-high heat.
Add bell pepper, onion, mushrooms, black beans, tomatoes, barbecue sauce and chili powder and bring mixture to a boil, stirring well.
Reduce heat to a simmer and cook until vegetables are tender, about 5 to 8 minutes.
Serve open faced on toasted bun halves.
Thank you!