01 -
Preheat oven to 175°C. Line a 23 x 33 cm baking pan with aluminum foil for easy removal and lightly coat with non-stick spray.
02 -
Combine sugar cookie mix, vanilla pudding mix, melted butter, egg, light brown sugar, and vanilla extract in a large bowl. Stir until a thick, cohesive dough forms.
03 -
Press the dough evenly into the prepared pan to create a flat base.
04 -
Wipe out the large bowl if needed. Add cream cheese, egg, egg yolks, sour cream, granulated sugar, and vanilla extract. Beat with an electric mixer on high speed until completely smooth and well blended.
05 -
Spread the cream cheese filling evenly over the cookie crust. Bake for 40-45 minutes or until the center is fully set and does not jiggle. Begin checking doneness at 30 minutes, adjusting baking time as necessary for your oven.
06 -
Once baked, immediately sprinkle toffee bits evenly over the surface. Allow bars to cool at room temperature for at least 30 minutes.
07 -
Cover and refrigerate for at least 3 hours, or until completely chilled. Cut into bars and serve. Store airtight in the refrigerator for up to 1 week.