They look fancy, but they are easy to make using pre-made pizza dough – try it!

- 10 ounces frozen chopped spinach, thawed and squeezed dry
- 8 ounces ricotta cheese
- 4 ounces mozzarella cheese, shredded
- 1 ounce Parmesan cheese, grated
- 1 tablespoon olive oil
- 1 large egg, lightly beaten with 2 tablespoons water, plus 1 large egg yolk
- 2 garlic cloves, minced
- 1½ teaspoons minced fresh oregano
- ⅛ teaspoon red pepper flakes
- 1 lb pizza dough