01 -
Preheat the oven to 375°F. Grease a 9 x 13 inch baking pan thoroughly.
02 -
In a small bowl, whisk together all-purpose flour, baking soda, and salt until combined.
03 -
In a large mixing bowl, beat softened butter, granulated sugar, brown sugar, and vanilla extract until creamy and smooth.
04 -
Add eggs one at a time to the butter mixture, beating well after each addition to ensure full incorporation.
05 -
Gradually add the flour mixture to the wet ingredients, mixing until just combined. Fold in the semi-sweet chocolate chips evenly.
06 -
Spread half of the cookie dough evenly into the prepared pan. Bake for 8 to 10 minutes until lightly set but not browned. Remove from oven.
07 -
While the cookie base bakes, melt caramels and evaporated milk in a double boiler over gentle heat. Once melted, stir in peanut butter until smooth and thoroughly combined.
08 -
Spread the warm caramel sauce evenly over the partially baked cookie base.
09 -
Drop spoonfuls of the remaining cookie dough over the caramel layer, spacing evenly to cover the surface irregularly.
10 -
Return the pan to the oven and bake for an additional 15 to 20 minutes, or until the top dough turns light golden brown and set.