Food & Cooking Recipes Dessert & Treats Recipes Pie & Tarts Recipes Blueberry Slab Pie 3.4 (216) 3 Reviews By Martha Stewart Test Kitchen Martha Stewart Test Kitchen The recipes developed by our test kitchen team have undergone a rigorous process of development and testing, ensuring that every element is optimal, from ingredient amounts to method and cooking time. This process includes triple-testing recipes to ensure they meet our high standards. The many stellar cooks and food editors who have been part of our team include Sarah Carey, Lucinda Scala Quinn, Jennifer Aaronson, Shira Bocar, Anna Kovel, Greg Lofts, Riley Wofford, Lauren Tyrell, and Lindsay Leopold. Editorial Guidelines Updated on May 16, 2017 Print Rate It Share Share Tweet Pin Email Prep Time: 20 mins Total Time: 2 hrs 15 mins Servings: 12 To make this pie for 6 to 8 people, simply halve the recipe and make it in a 9-inch pie plate. Ingredients For the Crust 5 cups all-purpose flour, plus more for rolling 1 ½ teaspoons coarse salt 2 tablespoons sugar 2 cups (4 sticks) cold unsalted butter, cut into small pieces 1 to 1 1/2 cups ice water For the Filling 2 ¼ pounds fresh or frozen blueberries (8 cups) 3 tablespoons cornstarch ½ cup sugar 1 tablespoon grated lemon zest, plus 3 tablespoons lemon juice Directions Make crust: In a food processor, pulse flour, salt, and sugar until combined. Add butter; pulse until mixture resembles coarse meal, with a few pea-size pieces of butter remaining. With machine running, add 1 cup ice water. Pulse until dough is crumbly but holds together when squeezed (if necessary, add up to 1/2 cup water, 1 tablespoon at a time). Do not overmix. Divide dough into 2 disks; wrap each tightly in plastic. Refrigerate until firm, at least 1 hour (or up to overnight). Preheat oven to 400 degrees. Make filling: In a large bowl, toss together blueberries, cornstarch, sugar, and lemon zest and juice. On a floured work surface, roll out 1 disk to a 12-by-16-inch rectangle. Place in a 10-by-14-by-1-inch rimmed jelly-roll pan. Pour in blueberry filling, then lightly brush edges of crust with water. On floured surface, roll out second disk to an 11-by-15-inch rectangle and lay over blueberry filling; press along moistened edges to seal. Fold overhang under, tucking it into pan, and crimp edges. With a paring knife, cut slits on top to vent. Place pie in oven, then reduce heat to 375 degrees. Bake until crust is golden and juices are bubbling, 50 minutes. Let cool on a wire rack 1 hour. Serve warm or at room temperature. Cook's Notes To freeze: Let pie cool completely, then freeze it for up to 2 months. Thaw it at room temperature and reheat it in a 350-degree oven for 25 minutes. Rate it Print