6 strips thick-cut bacon, chopped
2 1/2 pounds flat-iron or tri-tip beef, cut into 1 1/2-inch cubes
Kosher salt and freshly ground pepper
2 medium carrots, diced
2 medium onions, diced
1 sprig fresh thyme
1 bay leaf
2 cloves garlic
1 sprig fresh parsley, plus more for garnish
1 4-inch piece celery stalk
3 tablespoons all-purpose flour
1 tablespoon tomato paste
1/2 cup brandy
2 cups burgundy, cotes du rhone or other dry red wine
2 cups beef stock
2 tablespoons unsalted butter
3/4 cup pearl onions, peeled
1 teaspoon sugar
1 cup quartered button mushrooms