Carbonade Flamande Flemish Beef and Beer Stew Casserole Recipe

Ingredients

• 2 pounds beef chuck (cut into 1.5-inch cubes)
• 2 tablespoons all-purpose flour
• 1 teaspoon salt
• 1/2 teaspoon black pepper
• 3 tablespoons unsalted butter
• 1 tablespoon olive oil
• 4 large yellow onions (thinly sliced)
• 1 1/2 tablespoons brown sugar
• 4 garlic cloves (minced)
• 2 tablespoons Dijon mustard
• 2 1/2 cups dark beer (e.g., Belgian Dubbel or brown ale)
• 1 cup beef stock
• 1 tablespoon white vinegar
• 1 bouquet garni (made with thyme, bay leaf, and parsley)
• 2 slices country-style bread (cut into large slices)
• 2 tablespoons butter (for spreading on bread)