Changing recipes

{
  "type": "create:mixing",
  "heat_requirement": "superheated",
  "ingredients": [
    {
      "item": "createchromaticreturn:chromatic_compound"
    }
  ],
  "results": [
    {
      "id": "createchromaticreturn:shadow_steel"
    }
  ]
}
How do I edit the chromatic compound to need 16 in the recipe rather than only 1