My mom and I are ADDICTED to Moka! We absolutely love everything we get there and the staff is truly the best in Madison. Everybody is over-the-top kind, willing to offer suggestions and actually care about you and your life. Between the coffee and the service it is without a doubt my favorite coffee shop in Madison.
My recommendation: Iced Sugar Free Caramel Latte with Almond Milk. And yes, you should always get the largest size possible.
Other favorites: anything blended/in frappe form and whole milk cappuccinos!