1. Preheat oven to 350 degrees F
2. Lightly spray 12 inch round pizza pan with non-stick cooking spray or line it with parchment paper
3. In a large mixing bowl, cream together butter, brown sugar, milk and vanilla until smooth and fluffy
4. Add egg and beat until well combined
5. In a small bowl, whisk together flour, salt and baking soda
6. Add dry mixture to wet ingredients and mix until well combined
7. Stir in chocolate chips
8. Spread evenly into prepared pan leaving about ½ inch around the edge
9. Bake for 15-20 minutes or until edges are golden brown
10. Cool completely on wire rack.
11. Slice the cookies into 12 pieces, pizza style
12.  Add your favorite toppings and enjoy!

For the Topping:

1. In a large bowl, beat the cream cheese until fluffy
2. Add powdered sugar and vanilla and beat until creamy
3. Fold in whipped topping
4. Spread onto cooled cookie pizza
5. Add your favorite toppings
6. Serve immediately
7. Store leftovers in airtight container in refrigerator