Skyrim Mod:Mod File Format/COBJ

COBJ records describe Constructible OBJects recipes, such as those used for Cooking, Smelters, Forges, Grindstones, and Workbenches. Constructible objects are used for both recipes that create new items, and recipes that improve existing items. The difference lies purely in the workbench keyword: different workbenches open different menus, and the menus will in turn handle the recipes differently.

It appears that COBJ records are keyed by Editor Id rather than Form Id, as the game will gladly load any number of records with a Form Id of 0x00000000.

C	V	Field	Name	Type/Size	Info
+		EDID	editorID	zstring	Max 0x200 bytes, including null terminator.
-		COCT	object count	uint32	Number of input objects (types of ingredients) required.
*		CNTO	inputObject	struct[8]
			item	formID	The form ID of the ingredient required to craft this item.
			quantity	uint32	How many of this ingredient is required to craft the item.
-		COED	unknown	COED
*		CTDA	conditions	CTDA	Additional requirements that must be met before the player can use the recipe. Most notably, used for forging to specify the Smithing perk that must be unlocked to create the item.
-		CNAM	outputObject	formID	Resulting output object FormID.
+		BNAM	benchKeyword	formID	[KYWD 0x00088105] CraftingSmithingForge, [KYWD 0x000ADB78] CraftingSmithingArmorTable, [KYWD 0x000A5CCE] CraftingSmelter, [KYWD 0x00088108] CraftingSmithingSharpeningWheel
+		NAM1	outputQuantity	uint16	Quantity of the output object created by the recipe.