gistfile1.txt

{ food: {_id: 'bc4', brand: 'test', food_nutrients: [{ _id: 'af1', name: 'sodium'}] }

FoodNutrient = DS.Model.extend({
  name: DS.attr( 'string' )
});

Food = DS.Model.extend(
  brand: DS.attr( 'string' ),
  food_nutrients: DS.hasMany( Diets.FoodNutrient )
});

DS.Adapter.map( FoodNutrient, {
   primaryKey: '_id'
});

DS.Adapter.map( Food, {
   primaryKey: '_id',
  food_nutrients: { embedded: 'always' }
});