Spinach Ricotta Calzone

INGREDIENTS

crust

2 cups

King Arthur Unbleached All-Purpose Flour

1 1/4 tsp

instant yeast

3/4 tsp

salt

1 tbsp

olive oil

1/2 cup

to 3/4 cup lukewarm water*

*Use the greater amount in the summer, the lesser amount in the winter, and somewhere in between in the spring and fall. Your goal is a soft dough.

filling

-ounce package frozen spinach or 10 ounces fresh spinach, cooked, drained and squeezed completely dry

1 cup

ricotta cheese, whole-milk or part-skim

1/2 cup

freshly grated Parmesan cheese

1/4 tsp

grated nutmeg

1/2 tsp

salt

topping (optional)

tomato or pizza sauce

shredded mozzarella cheese, or the pizza cheese of your choice