DataSeeder.cs

public class DataSeeder 
{ 
   public static void Initialize(ApplicationDbContext context) 
   { 
      if (!context.Users.Any()) 
      { 
         var users = new List<User>() 
         { 
            new User { /*Id = 1,*/ Name = "John", Email = "john@john.com" }, 
            new User { /*Id = 2,*/ Name = "Michael", Email = "michael@michael.com" } 
         }; 
         context.Users.AddRange(users); 
         context.SaveChanges(); 
       } 

       if (!context.Recipes.Any()) 
       { 
          var recipes = new List<Recipe>() 
          { 
             new Recipe { /* Id = 1 */ Name = "Pizza", Description = "A random description from a pizza", Difficulty = RecipeDifficulty.MEDIUM, ImagePath = "https://upload.wikimedia.org/wikipedia/commons/a/a4/Pizza.jpg", Time = 30, UserId = 1 } 
          }; 
          context.Recipes.AddRange(recipes); 
          context.SaveChanges(); 
       } 
       if (!context.Ingredients.Any()) 
       { 
          var ingredients = new List<Ingredient>() 
          { 
             new Ingredient { /* Id = 1 */ Name = "Cheese", Amount = 1, RecipeId = 1 }, 
             new Ingredient { /* Id = 2 */ Name = "Tomato", Amount = 2, RecipeId = 1 } 
          }; 
          context.Ingredients.AddRange(ingredients); 
          context.SaveChanges(); 
       } 
    } 
}