Buffalo Chicken Sandwich without crumbs breasts

2 teaspoons vegetable oil 4 Buffalo wing-flavored chicken sausages (such as al fresco®), sliced on a bias 1 onion, sliced 1 red bell pepper, sliced 1[...]

6 slices bacon 1/2 cup mayonnaise 1/4 cup sour cream 2 tablespoons hot buffalo wing sauce 1 loaf Italian bread, cut in half lengthwise 3 cups shredded meat[...]