content: class Recipe {
    String label;
    String imageUrl;
    int servings;
    List<Ingredient> ingredients;
  
    Recipe(
      this.label,
      this.imageUrl,
      this.servings,
      this.ingredients,
    );
  
    static List<Recipe> samples = [
      Recipe(
        'Spaghetti and Meatballs',
        'assets/2126711929_ef763de2b3_w.jpg',
        4,
        [
          Ingredient(
            1,
            'box',
            'Spaghetti',
          ),
          Ingredient(
            4,
            '',
            'Frozen Meatballs',
          ),
          Ingredient(
            0.5,
            'jar',
            'sauce',
          ),
        ],
      ),
      Recipe(
        'Tomato Soup',
        'assets/27729023535_a57606c1be.jpg',
        2,
        [
          Ingredient(
            1,
            'can',
            'Tomato Soup',
          ),
        ],
      ),
      Recipe(
        'Grilled Cheese',
        'assets/3187380632_5056654a19_b.jpg',
        1,
        [
          Ingredient(
            2,
            'slices',
            'Cheese',
          ),
          Ingredient(
            2,
            'slices',
            'Bread',
          ),
        ],
      ),
      Recipe(
        'Chocolate Chip Cookies',
        'assets/15992102771_b92f4cc00a_b.jpg',
        24,
        [
          Ingredient(
            4,
            'cups',
            'flour',
          ),
          Ingredient(
            2,
            'cups',
            'sugar',
          ),
          Ingredient(
            0.5,
            'cups',
            'chocolate chips',
          ),
        ],
      ),
      Recipe(
        'Taco Salad',
        'assets/8533381643_a31a99e8a6_c.jpg',
        1,
        [
          Ingredient(
            4,
            'oz',
            'nachos',
          ),
          Ingredient(
            3,
            'oz',
            'taco meat',
          ),
          Ingredient(
            0.5,
            'cup',
            'cheese',
          ),
          Ingredient(
            0.25,
            'cup',
            'chopped tomatoes',
          ),
        ],
      ),
      Recipe(
        'Hawaiian Pizza',
        'assets/15452035777_294cefced5_c.jpg',
        4,
        [
          Ingredient(
            1,
            'item',
            'pizza',
          ),
          Ingredient(
            1,
            'cup',
            'pineapple',
          ),
          Ingredient(
            8,
            'oz',
            'ham',
          ),
        ],
      ),
    ];
  }
  
  class Ingredient {
    double quantity;
    String measure;
    String name;
  
    Ingredient(
      this.quantity,
      this.measure,
      this.name,
    );
  }
  