01 - Arrange half of the angel food cake cubes in an even layer in a large trifle dish or 9x13-inch glass baking dish.
02 - Spoon half of the strawberry pie filling evenly over the cake cubes, ensuring full coverage.
03 - Layer the remaining cake cubes on top of the strawberries, followed by the remaining strawberry pie filling.
04 - In a medium bowl, whisk together cold milk and vanilla pudding mix until thickened, about 2 minutes. Fold in sour cream and vanilla extract until smooth and well-combined.
05 - Spread the pudding-sour cream mixture evenly over the cake and strawberry layers using a spatula.
06 - Top with whipped topping, spreading it gently to cover the entire surface in an even layer.
07 - Sprinkle sliced almonds and fresh sliced strawberries on top, if desired, for visual appeal and texture.
08 - Cover the dish and refrigerate for at least 2 hours, or overnight, to allow the dessert to set and flavors to meld properly.
09 - Slice and serve chilled, ensuring each portion contains all layers.