Beef Stew with shiitake

1 x flour, all-purpose * 6 tablespoons butter 3 pounds beef chuck boneless, trimmed, cut into 1 1/2inch cubes 2 each onions chopped 1/4 cup tomato paste 3[...]

1/2 cup all-purpose flour 2 tablespoons butter 4 tablespoons olive oil 2 lbs boneless beef chuck (cut into large cubes) 1 brown onion, diced 1/4 cup tomato[...]