Grain and Ricotta Pie - Lidia

Ingredients

• For the Pasta Frolla Dough:
• 2 cups sugar
• 4 egg yolks
• Grated zest of 1 lemon
• 4 cups all-purpose flour
• 2 cups (1 pound) unsalted butter or shortening, cut into 1-inch pieces, at room temperature
• For the Filling:
• 1 ½ cups wheat kernels
• 4 cups milk
• 4 cups fresh or whole milk ricotta
• ½ cup candied lemon or orange peeled, cut into ¼-inch dice
• 2 ½ cups sugar
• 5 eggs, separated
• ½ teaspoon ground cinnamon
• 2 teaspoons orange water
• Confectioners’ sugar