Preheat oven to 350°. Butter a 9x13-inch dish and set aside. In a large bowl, mix butter, sugar, eggs, sour cream, orange juice, flour, and baking powder until well blended. Pour 1/2 batter into prepared dish. Place remaining 1/2 aside. Prepare Blintz Filling.
Blintz Filling:
In a medium bowl or food processor fitted with metal blade, combine all ingredients. Mix until well blended. Drop filling by heaping spoonfuls over batter in dish. With a spatula or knife, spread filling evenly over batter; it will mix slightly with batter. Pour remaining batter over filling. Bake, uncovered, at 350° for 50-60 minutes or until puffed and golden. Serve immediately with sour cream and blueberry syrup or assorted jams. May be made a day ahead. Cover and refrigerate until ready to use. Before baking, bring to room temperature.
This Blintz Soufflé recipe is from the The Recipe Hall of Fame Cookbook Cookbook. Download this Cookbook today.
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