INGREDIENTS
1/2 cup
unsalted butter
1/2 cup
brown sugar
1/4 cup
granulated sugar
1
large egg
1 1/2 tsp
vanilla extract
1/2 tsp
baking soda
1/4 tsp
baking powder
1/4 tsp
salt
1 1/2 cups
all-purpose flour
1 cup
dark chocolate chunks ((You'll be chopping 1/2 cup and adding the remaining 1/2 cup whole). I used Kroger brand "Private Selection Dark Chocolate Chunks" and have found them to be the most authentic to the Panera kind.)