#Test Recipes
#Remove Piston
recipes.removeShaped(<minecraft:piston>, [[<minecraft:planks>, <minecraft:planks>, <minecraft:planks>],[<minecraft:cobblestone>, <minecraft:iron_ingot>, <minecraft:cobblestone>], [<minecraft:cobblestone>, <minecraft:redstone>, <minecraft:cobblestone>]]);

#Change piston recipe to gold
recipes.addShaped(<minecraft:piston>, [[<minecraft:planks>, <minecraft:planks>, <minecraft:planks>],[<minecraft:cobblestone>, <minecraft:gold_ingot>, <minecraft:cobblestone>], [<minecraft:cobblestone>, <minecraft:redstone>, <minecraft:cobblestone>]]);

#Coal to quartz
recipes.addShapeless(<minecraft:quartz>, [<minecraft:coal>]);