This recipe is built around a buttery shortbread/cake hybrid dough. The structure is provided by the **3 cups of all-purpose flour** and the **1 teaspoon of baking powder**, which gives the base just enough lift to be soft but still firm enough to hold the filling. The generous amount of fat (**1 cup unsalted butter**) and sugar (**$1 \frac{1}{2}$ cups granulated sugar**) ensures a tender, rich crumb.

Success requires adherence to three core regulations: **The Layering and Base Ratio, The Golden Edge Principle, and The Almond Glaze Finish.**

The first regulation, **The Layering and Base Ratio** (Instruction 4), controls the vertical structure. Approximately two-thirds of the dough should be pressed into the bottom of the pan to form the base, leaving one-third to be crumbled over the top of the **can of cherry pie filling**. This ensures a sturdy, balanced bottom layer and a crumbly, aesthetic top layer that allows the cherry filling to peek through.

The second regulation, **The Golden Edge Principle** (Instruction 5), dictates the proper doneness. The bars are baked until the edges are **lightly golden-brown**, while the center is just set. This prevents the edges from becoming dry or hard. Since the filling is already cooked, the goal is simply to bake the dough through and slightly caramelize the sugars in the filling.

The third regulation, **The Almond Glaze Finish** (Instruction 6), elevates the flavor. Cherry and almond are a classic pairing. The **$\frac{1}{2}$ teaspoon of almond extract** in the glaze adds a subtle, sophisticated counterpoint to the sweetness of the **1 cup powdered sugar**. The glaze must be applied when the bars are cool to set into a smooth, stable, glossy finish.