Baked Blintzes With Fresh Blueberry Sauce Recipe

Ingredients

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