Comforting Beef Casserole

Ingredients:

• 1/2 cup olive oil (not extra-virgin), or vegetable oil
• 2 pounds onions, roughly chopped
• 1 1/2 pounds carrots, cut on the diagonal to give slanted oval slices
• 1/2 cup flour
• Salt and freshly ground black pepper
• 1 tablespoon dried sage leaves
• 2 teaspoons ground allspice
• 4 1/2 pounds stewing or chuck steak, diced
• 1 large orange, zested and juiced
• 2 cups stout
• 2 cups water
• 4 bay leaves