ServerEvents.recipes(event => {
    // Usuwanie starych przepisów
    [
        'legendarysurvivaloverhaul:heater'
    ].forEach(recipe => event.remove({id: recipe}));

    event.shaped('legendarysurvivaloverhaul:heater', [
        'AIA',
        'IFI',
        'ICI'
    ], {
        A: 'minecraft:air',
        I: 'minecraft:iron_ingot',
        C: "minecraft:coal_block",
        F: 'minecraft:blast_furnace'
    });
});