Ina Garten's Dreamy Blintz Casserole Recipe Made Simple

Ingredients

• 3 cups (24 ounces) ricotta cheese
• 8 ounces mascarpone cheese
• 4 extra-large eggs
• 2 extra-large eggs
• 1 ⅓ cups all-purpose flour
• 1 ¼ cups milk
• 4 tablespoons (½ stick) unsalted butter, melted
• 2 tablespoons sour cream
• 2 tablespoons sugar
• ⅓ cup sugar
• 1 teaspoon pure vanilla extract
• ½ teaspoon pure vanilla extract
• 1 tablespoon grated lemon zest (2 lemons)
• 1 teaspoon grated lemon zest
• 2 tablespoons freshly squeezed lemon juice
• 1 tablespoon freshly squeezed lemon juice
• 1 tablespoon baking powder
• 1 teaspoon kosher salt
• ¾ cup freshly squeezed orange juice (3 oranges)
• ⅔ cup sugar
• 1 tablespoon cornstarch
• 4 half-pints fresh blueberries