1 cup butter (2 sticks), softened to room temperature
1 cup light brown sugar
3/4 cup powdered sugar (this is NOT a typo, it IS powdered sugar, NOT granulated sugar)
1 egg
2 tablespoons water
1/2 teaspoon vanilla
2 2/3 cup all-purpose flour
1/2 teaspoon salt
1/2 teaspoon baking soda
Add-ins:
3/4 cup semi-sweet chocolate morsels
3/4 cup dark chocolate chunks
3/4 cup Wilton Candy Melts (light cocoa wafers), roughly chopped
3/4 cup toffee bits (optional)
1 cup chopped pecans or almonds (optional)
Anything else you may want like: M&M's, Reese's Pieces, butterscotch chips, etc.