01 - Arrange half of the angel food cake cubes in an even layer at the bottom of a large trifle dish or 9x13-inch glass baking dish.
02 - Spoon half of the strawberry pie filling evenly over the cake cubes, ensuring coverage across the entire surface.
03 - Layer the remaining cake cubes on top of the strawberries, creating a level surface for the next filling layer.
04 - Spread the remaining strawberry pie filling evenly over the second cake layer.
05 - Whisk together cold milk and vanilla pudding mix in a medium bowl until thickened, approximately 2 minutes. Fold in sour cream and vanilla extract until fully incorporated and smooth.
06 - Spread the pudding-sour cream mixture evenly over the cake and strawberry layers using a spatula for smooth coverage.
07 - Top with whipped topping, spreading it gently to completely cover the surface without disturbing the layers beneath.
08 - Sprinkle sliced almonds and fresh strawberries on top as desired for presentation.
09 - Cover the dish and refrigerate for at least 2 hours or overnight to allow flavors to meld and the dessert to set properly.
10 - Slice into portions and serve chilled.