-SPINACH FILLING-
 2 1/2 lb Spinach stemmed
   1/4 c  Olive oil
   1/4 c  Minced onion
     3    Garlic cloves, minced
     6 oz Black olives (Kalamata),
          -pitted & cut to 1/3″ pieces
   1/2 c  Raisins
   1/4 ts Dried red pepper flakes
          Freshly ground pepper
-YEAST CRUST-
     2 pk Dry yeast
 1 1/2 c  Warm water
 4 1/2 c  Unbleached all purpose flour
     3 tb Olive oil
     1 tb Salt
   3/4 lb Mozzarella cheese, shredded
     6 tb Olive oil
 Filling Rinse spinach, shake off excess water. Transfer to pot. Cover
 and cook over low heat, stirring frequently, until just wilted, about
 3 minutes. Rinse with cold water and squeeze dry. Chop coarsely.
 Heat oil in heavy large skillet over low heat. Add onion and garlic
 and cook until soft, about 10 minutes. Mix in olives and raisins and
 cook two minutes, stirring frequently. Add spinach, red pepper flakes
 and pepper. Stir 5 minutes. (Can be prepared 1 day ahead. Cover and
 refrigerate. Bring to room temperature before continuing.)
 Crust Sprinkle yeast over 1/2 cup warm water in small bowl. Stir to
 dissolve. Arrange 1 1/2 cups flour in mound on work surface and make
 a well in the center. Add yeast to well. Using fork, gradually draw
 flour from inner edge of well into center until all flour is
 incorporated. Knead sponge until smooth and elastic, 8 to 10 minutes.
 (Can also be prepared in processor. Knead 1 minute.) Lightly flour
 large bowl and add sponge. Cover with towel. Let sponge rise in draft
 free area until doubled, about two hours.
 Arrange remaining 3 cups flour in mound on work surface and make well
 in center. Add raised sponge to well and pull to form well in sponge.
 Add remaining 1 cup water, 3 tablespoons oil and salt to well in
 sponge. Knead mixtures together until smooth and elastic dough forms,
 8 to 10 minutes. (Can also be prepared in processor. Knead one
 minute.) Return to floured bowl. Cover with towel. Let dough rise in
 draft free area until doubled in volume, about 1 1/2 hours.
Mix cheese with 1 tablespoon oil. Add salt and pepper to taste.
 Preheat oven to 400 F. Spread 3 tablespoons oil in bottom of 9 by 13
 inch metal baking pan. Punch dough down. Cut into 2 pieces, one 1 1/2
 times larger than the other. Roll large piece out on lightly floured
 surface into 11 by 15 inch rectangle. Fit dough into prepared pan,
 covering bottom and sides. Brush with remaining 2 tablespoons oil.
 Spread filling in pan and sprinkle with cheese. Roll remaining dough
 out on lightly floured surface into 9 by 13 inch rectangle. Brush
 edges with water and place atop filling. Pinch top and bottom crusts
 together. Brush top of pie with water. Cut three 3 inch slits in top.
 Bake until well browned, about 35 minutes. Cool slightly. Serve pie
 warm or at room temperature.
                
                 Yields       
                6 servings