Step 1

Preheat oven to 350°F and line a 9-inch square pan with foil and grease with nonstick spray.

Step 2

In a medium bowl, whisk together flour and cornstarch. Set aside.

Step 3

In a separate bowl, beat the butter and sugar with an electric mixer until light and fluffy, 2-3 minutes. Add egg and vanilla and beat again until combined.

Step 4

Reduce speed to low, and gradually mix in flour mixture.

Step 5

Transfer dough to prepared pan, cover with a layer of plastic wrap, and press dough down into an even layer.

Step 6

Remove plastic wrap and bake for 10 minutes. Remove from oven and allow to cool 5 minutes.

Step 7

Sprinkle chocolate chips over cooled crust, followed by coconut and pecans. Pour condensed milk over the entire surface.

Step 8

Bake until top is bubbly and golden brown, 30-40 minutes.

Step 9

Allow to cool completely before slicing and serving. Enjoy!