Serializers

recipe_serializer.rb

class RecipeSerializer < ActiveModel::Serializer
  embed :ids, include: true

  has_many :steps

  attributes :id, :title
end

recipes_controller.rb

class RecipesController < ApplicationController

  def index
    @recipes = Recipe.all
    render json: @recipes, each_serializer: ShortRecipeSerializer
  end

  def show
    @recipe = Recipe.find(params[:id])
    render json: @recipe
  end

end

short_recipe_serializer.rb

class ShortRecipeSerializer < ActiveModel::Serializer
  attributes :id, :title
end