<recipetype:create:mixing>.addJSONRecipe("icecreammix",{
  "type": "create:mixing",
  "ingredients": [
    {
      "item": "minecraft:sugar"
    },
    {
      "fluid": "minecraft:milk",
      "nbt": {},
      "amount": 250
    },
    {
      "item": "minecraft:egg"
    },
  ],
  "results": [
    {
      "fluid": "milkyway_core:ice_cream_mix",
      "amount": 250
    }
  ],
}
);
