Step 1

Preheat oven to 375 degrees Fahrenheit. Grease a 9 x 13 inch pan and set aside.

Step 2

Combine flour, baking soda and salt in small bowl. Beat butter, sugar, brown sugar and vanilla in a large mixing bowl until creamy. Add eggs, one at a time, beating well after each addition. Gradually mix in flour mixture. Fold in chocolate chips.

Step 3

Spread half of cookie dough mixture into the prepared pan.

Step 4

Place in preheated oven at 375 degrees Fahrenheit and bake for 8-10 minutes. Remove from oven.

Step 5

While the cookie dough is baking melt caramels and evaporated milk in a double boiler. Add peanut butter after caramels are melted. Melt thoroughly. Spread over baked cookie dough base.

Step 6

With the remaining cookie dough, drop by spoonfuls on top of the caramel mixture.

Step 7

Place pan back in the oven at 375 degrees Fahrenheit and bake for 15-20 minutes or until top is light golden brown. Remove from oven and let cool before serving.