recipes.remove(<UsefulFood:Jelly>);
recipes.remove(<UsefulFood:FrenchFries>);
recipes.remove(<UsefulFood:BreadSlice>);

recipes.addShaped(<UsefulFood:Jelly>, [[<ore:itemFrozen_slime>, <minecraft:sugar>], [<minecraft:bowl>, null]]);
recipes.addShaped(<UsefulFood:VanillaIceCream>, [[<ore:itemFrozen_milk>, <minecraft:bowl>], [<minecraft:sugar>, null]]);
recipes.addShaped(<lotr:item.muttonRaw>, [[<UsefulFood:RawMutton>]]);
