Beef with olive

1 cup day-old sourdough bread cubes (crust removed) 1 cup whole milk 2 tablespoons extra virgin olive oil 1 medium red onion , finely chopped 8 ounces ground[...]

flour , for dredging salt black pepper 2 1/2 lbs beef tips 2 tablespoons olive oil 1 lb mushroom , sliced thick 1 onion , quartered pole-to-pole and sliced[...]