Having always loved the rich, savory tastiness of creamy spinach and artichoke dip, I really wanted to try adding those delicious flavors to a baked spinach frittata. Egg dishes like spinach frittata can sometimes turn out dry or bland, and that’s unfortunate when you’ve put time and work into cooking up a recipe. But artichoke and spinach frittata, filled with a blend of cheeses and sun-dried tomatoes, is…