Melt butter in saucepan over medium heat.
Add flour and whisk for two minutes.
Slowly pour chicken broth while whisking continuously.
Add cream and cook until thick.
Season with salt, pepper, and garlic powder.
Mix chopped chicken into the creamy sauce.
Refrigerate mixture for at least two hours.
Shape cold mixture into small oval croquettes.
Dip each croquette in beaten eggs first.
Roll in breadcrumbs until completely coated.
Heat oil to 350°F for frying.
Fry croquettes until golden brown, about minutes.
Drain on wire rack before serving hot.