The Best Beef Stew

• 325 oven
• 6 onions in (cut wedges)
• 1 pour off any fa beer
• 1 coat meat in flour (lightly)
• 1 short rib (boneless)
• 1 pepper parsley (chopped fresh)
• 1/2 butter
• 1,100 gr stewing beef
• 525 gr tomatoes (canned)
• 170 gr mushrooms thickly (sliced)