-- Crude furnace
minetest.register_craft({
	type = "cooking",
	output = "test_mod:crushed_copper_ore",
	recipe = "test_mod:copper_ore_block"
})

output, decremented_input = minetest.get_craft_result({ method = "cooking", width = 1, items = {ItemStack("test_mod:copper_ore_block")}})
output_item = output.item:to_table()
io.write("recipe: "..dump(output_item).." \n")