If you've purchased an unfinished Grande, you will need to season the iron parts before use and to protect them from corrosion. Seasoning is absolutely necessary to prevent cast iron from rusting. Please read the instructions thoroughly before starting. Step 1 Unpack your Grande bread oven and verify that you have all of the following parts: (1) baking stone (1) baking tray with silicone mat (1) lifting handle for baking tray (1) handle with two screws for oven hatch (1) cast iron hatch with two screw holes (1) cast iron cloche. Step 2 Preheat the oven to 450F. Position a...