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Instructions:
- Preheat your oven to 350°F (175°C) and line a 9×13-inch baking pan with parchment paper, leaving an overhang on the sides. This makes it easier to lift the bars out after baking.
- In a large bowl, mix together the all-purpose flour, powdered sugar, and salt. Add the cold, cubed unsalted butter and vanilla extract.
- Use a pastry cutter, fork, or your fingertips to blend the butter into the dry ingredients until the mixture resembles coarse crumbs that hold together when pressed. This ensures a tender, buttery shortbread crust.
- Press the crust mixture firmly and evenly into the bottom of the prepared pan, making sure to cover the corners well for even baking.
- Bake the crust for 18 to 20 minutes, until its edges turn a light golden brown and the surface looks set. Leave the oven temperature at 350°F for the filling step.
- While the crust is baking, whisk together the corn syrup, packed light brown sugar, eggs, melted butter, vanilla extract, and salt in a separate large bowl until completely smooth. This smooth mixture will create the gooey filling.
- Gently fold the pecan halves or chopped pecans into the filling mixture, evenly coating the nuts to ensure every bite has a rich nutty flavor.
- Pour the filling evenly over the warm shortbread crust, spreading the pecans so that they cover the surface uniformly.
- Return the pan to the oven and bake for 30 to 35 minutes. The edges should become golden brown and the center will be mostly set but still slightly wobbly, which is key to a perfect gooey texture.
- Remove the pan from the oven and place it on a wire rack to cool completely, about 2 hours. Cooling allows the filling to firm up properly for clean slicing.
- Once cooled, use the parchment paper overhang to lift the entire slab out of the pan carefully.
- With a sharp knife, slice the slab into 24 even bars. Wipe the knife clean between cuts for neat edges.
- Arrange the bars on a serving platter and enjoy the rich combination of buttery crust, caramel-like filling, and crunchy pecans.
Variations
- Swap pecans for walnuts or almonds for a different nutty twist.
- Add a teaspoon of cinnamon or pumpkin pie spice to the crust for a warm, spiced flavor.
- Mix in mini chocolate chips with the pecans before baking for a chocolate-pecan combo.
- Use maple syrup instead of light corn syrup for a deeper, natural sweetness.
- Top the bars with a drizzle of melted dark chocolate after cooling for an elegant finish.
- Incorporate a tablespoon of bourbon or vanilla bean paste into the filling for added depth.
Tips
- Lightly toast the pecans for 5 to 7 minutes before adding them to the filling to enhance their flavor and crunch.
- Press the crust firmly and evenly to prevent cracking and ensure an even base.
- Let the bars cool completely before slicing to avoid a messy cut and to allow the filling to set nicely.
- For sharper, bakery-style slices, refrigerate the cooled bars for 30 minutes before cutting.
- Store the bars in an airtight container at room temperature for up to 3 days or refrigerate for up to a week to maintain freshness.
- Reheat slightly in the microwave for 10 to 15 seconds if you prefer a warm, gooey bar.
- These bars improve in flavor when made a day ahead, as the filling becomes richer and more cohesive.