Mochafrappylattes are love
Carl's come by the diner for "lunch" … because where else would a 50 year old straight cop go for lunch besides a diner on Liberty Avenue?
No, actually he's come to ask Debbie out for mocha-frappy-lattes. Aw say yes Deb! He will be a great guy for you.
Good thing she changes her mind (which I don't think would have happened if Horvath hadn't opened his). She does offer him a lemon bar for the road, so her feelings are slowly changing for him. :)