Thermal Expansionhas built in mod support! You don't need any other mods for this to work!

Redstone Furnace / Furnace

Methods

Add Recipe

The following script will add a recipe that will output a Gold Ingot by Smelting an Iron Ingot, creating 2 EXP and consuming 500 RF.

// <recipetype:thermal:furnace>.addRecipe(String name, IItemStack output, IIngredient ingredient, float experience, int energy);
<recipetype:thermal:furnace>.addRecipe("furnace_test", <item:minecraft:gold_ingot>, <item:minecraft:iron_ingot>, 2, 500);

Remove Recipes

The following script will remove all Furnace recipes that output a Gold Ingot.

// <recipetype:thermal:furnace>.removeRecipe(IItemStack... output);
<recipetype:thermal:furnace>.removeRecipe(<item:minecraft:gold_ingot>);