Preheat the oven to 350. In a medium dutch oven cook the bacon until crisp, about 5 minutes. Add the green onions and cook for 2 minutes. Pour in the beer, reduce by half ,and add the stock and barbecue sauce. Fold in the cooked beans, and stir to coat. Season , and top with the bread crumbs. Place in the oven and cook for 30 minutes.