Beef Tips In Red Wine Sauce

• 1 onion (yellow)
• 1 clove garlic
• 475 gr cubed beef sirloin
• 350 ml beef broth
• 170 gr mushrooms (sliced)
• 170 gr extra wide egg (cooked)
• 120 ml dry wine (red)
• 10 ml olive oil
• 3 gr flour
• 1 gr thyme leaves (dried)