Leave the large side of the combo cooker in the oven to the side.
Bake for 20 minutes. Vent the oven of steam: use your oven mitt to very carefully remove the top of the combo cooker or Dutch oven. Leave the large side of the combo cooker in the oven to the side. Close the oven door and bake for 30 minutes more. When done, the loaf should have an internal temperature of around 208°F (97°C), and the crust should be a deep mahogany color and crackle/crunch when squeezed.