Beef Bourguignon

Name: Beef Bourguignon
Ingredients: 1 Tablespoon Olive Oil; 8 ounces, weight Bacon, Sliced; 2-½ pounds Chuck Beef, Cut Into 1 Cubes; 1 pound Carrots, Cut Into 1 Chunks; 2 whole Onions, Sliced; 2 cloves Garlic, Chopped; ½ cups Cognac; 1 bottle Pinot Noir Wine; 2 cups Beef Broth; 1 Tablespoon Tomato Paste; 1 Tablespoon Fresh Thyme Leaves; 4 Tablespoons Softened Unsalted Butter, Divided; 3 Tablespoons Flour; 1 pound Frozen Pearl Onions; 1 pound Fresh Mushrooms, Stems Removed & Caps Thickly Sliced; Kosher Salt To Taste; Freshly Ground Black Pepper, To Taste