Beef Bourguignon

Name: Beef Bourguignon
Ingredients: 2 tablespoons olive oil; 3 pounds beef roast with most fat trimmed, cut in 2 inch cubes; 2 tablespoons flour; 1 teaspoon salt; ¼ teaspoon black pepper; 3 cups red wine, such as burgundy or chianti; 1 pound mushrooms, chopped; 3 cloves garlic, chopped; 1 medium onion, chopped; 2 tablespoons tomato paste; 1 teaspoon fresh thyme + sprigs for garnish