Default Freezer Recipes

Water Bucket -> Ice
Ice -> Packed Ice
Lava Bucket -> Obsidian
Slimeball -> Snowball
Poisonous Potato -> Potato
Rotten Flesh -> Flesh

Removing

Remove matching freezer recipes.

mods.cfm.Freezer.remove(@Optional final IIngredient output, @Optional final IIngredient input);

// Remove recipes that result in Ice
mods.cfm.Freezer.remove(<minecraft:ice>);
// Remove recipes that require a Lava Bucket
mods.cfm.Freezer.remove(null,<minecraft:lava_bucket>);
// Remove all recipes
mods.cfm.Freezer.remove();

Adding

Add a freezer recipe. Only supports inputs of size 1.

mods.cfm.Freezer.addRecipe(@Nonnull final IItemStack output, @Nonnull final IItemStack input);

// Add a recipe that makes 16 Ice from a Lava Bucket
mods.cfm.Freezer.addRecipe(<minecraft:ice>.withAmount(16),<minecraft:lava_bucket>);
// Adds a recipe that makes 16 Obsidian from a Water Bucket
mods.cfm.Freezer.addRecipe(<minecraft:obsidian>.withAmount(16),<minecraft:water_bucket>);
// Adds a recipe that makes a Water Bucket from a Bucket
mods.cfm.Freezer.addRecipe(<minecraft:water_bucket>,<minecraft:bucket>);