//REMOVE
recipes.remove(<vbe:blockpolishedstone>);
recipes.remove(<vbe:gatebrick>);
recipes.remove(<vbe:fencebrick>);

//ADD
recipes.addShaped(
    "blockpolishedstone",
    <vbe:blockpolishedstone>,
    [
        [<minecraft:stone_slab>],
        [<minecraft:stone_slab>]
    ]);