Can anyone convert this 16 serving recipe to a 20 serving recipe: 1. 1 cup salted butter* softened

2. 1½ cup white (granulated) sugar

3. 1 cup light brown sugar packed

4. 2 tsp pure vanilla extract

5. 2 large eggs

6. 3 cups all-purpose flour

7. 1 tsp baking soda

8. ½ tsp baking powder

9. 1 tsp sea salt

10. 2½ cups chocolate chips (or chunks, or chopped chocolate)