Beef with flour

1 pound ground beef, lean 1 medium onion quartered, sliced 1 medium sweet bell pepper cut in bitesized strips * 6 slices bacon crisp cooked and crumbled 14[...]

2 lb beef chuck 1/4 c. all-purpose flour 1 tsp Kosher salt 1/4 tsp freshly-grnd black pepper 3 Tbsp. oil 2 Tbsp. unsalted butter 1 lrg onion cut 1/2"-thk[...]