Kielbasa without whites cabbage

1 large green bell pepper , cut into 1/2-inch pieces 1 large sweet onion , cut into 1/2-inch pieces 1 lb kielbasa , cut into thin diagonal slices 1 (28 ounce)[...]

5 tablespoons butter 4 medium potatoes , cut (peeling optional) 14 ounces frozen broccoli florets 1 medium yellow onion 2 (16 ounce) packages polska kielbasa[...]