Oven-baked Beef Stew

• 2 onion
• 1/2 thickly bacon (sliced)
• 1,800 gr sirloin
• 950 ml chicken broth
• 475 gr pinot noir
• 55 gr butter
• 32 gr all purpose flour
• 12 gr tomato paste
• 10 ml olive oil
• 2 slices carrots