Maine Blueberry Pastry Squares
Ingredients6 ServingsMake buttery pie crust using your favorite recipe or buy premadeAll-purpose flour (for dusting)2 cups blueberries (about 10 ounces)1 teaspoon finely grated lemon zest1 tablespoon fresh lemon juice¼ cup sugar¼ teaspoon kosher salt1 large egg, whisked…