internal override MakiSushi MakeMakiSushi()
 {
     var ingredients = new List<string> { "rice", "Yuba", "Nori", "Tamago" };
     var makiSushi = new MakiSushi(ingredients, Name);
     return makiSushi;
 }
 internal override MakiSushi MakeMakiSushi()
 {
     var ingredients = new List<string> { "Rice", "Yuba", "Nori", "An awesome secret ingredient" };
     var makiSushi = new MakiSushi(ingredients, Name);
     return makiSushi;
 }