minetweaker

# See the forum post for example and documentation.
version 2;

# set your list of server admin usernames here
# admins are privileged users and will receive
# any error messages that might occur.
minetweaker.setAdmins("Myself", "MyAdminBuddy", "SatanicSanta");

# Add your commands here
NaturaGlass=<3362>;
Glass=<20>;
MagmaCream=<378>;
Slime=<341>;
BloodSap=<3256:5>;
RubberSap=<3124>;
SlimeSap=<3241>;

furnace.addRecipe(Glass * 2, NaturaGlass);
furnace.addRecipe(RubberSap, SlimeSap);
recipes.addShaped(SlimeSap, [[Slime, MagmaCream, Slime], [BloodSap, BloodSap, BloodSap], [Slime, MagmaCream, Slime]]);