Step 1

Preheat the oven to 350 degrees F.

Step 2

Grease a 15x10x1-inch baking pan.

Step 3

In a large bowl, mix the angel food cake mix, pie filling, and coconut until blended.

Step 4

Spread the cake mixture into the prepared baking pan.

Step 5

Bake until a toothpick inserted in the center comes out clean, about 20-25 minutes.

Step 6

Cool completely in the pan on a wire rack.

Step 7

While the cake is cooling, in a large bowl, beat the cream cheese, butter, and vanilla until smooth.

Step 8

Gradually beat the confectioners' sugar into the cream cheese mixture.

Step 9

Spread the frosting over the cooled bars and sprinkle with lemon zest.

Step 10

Refrigerate for at least 4 hours and up to overnight.

Step 11

Cut the cake into bars or triangles.

Step 12

Serve.