Preparation Time: 25 min, Cooking Time: 1 1/2 hours1. Heat oil in Dutch oven or stockpot over medium-high heat until sizzling hot. Brown meat in 4 batches. Set beef aside; sprinkle with flour.
2. Add garlic, onion and mushrooms to pot, cooking 3-4 minutes until just softened, adding more oil if necessary. Stir in wine, scraping up browned bits from the bottom. Add reserved beef, tomatoes, Worcestershire, vinegar, Herbes de Provençe, bay leaf, salt and pepper. Bring to a simmer.
3. Simmer, covered, on stove-top or in 325°F (160°C) oven for 1 hour until fork tender. Add beans and olives; cook 30-40 minutes longer until beans are tender.
4. In the meantime, cut a round circle off the top of each round bread bun to create an opening about 7 cm in diameter. Scoop out about 1/2 of the bread from the centre cavity.
5. Ladle the stew into each bread bowl and enjoy.