### Clue: Dessert country, say, with considerable dosage of sugar (5,9)
### Answer: SWEET CHAMPAGNE 
 ### Explanation: Definition: with considerable dosage of sugar
  SWEET(dessert course) **plus** CHAMPAGNE{**homophone of**(say) "champaign",open country} 
Answer:  A type of champagne, in contrast to dry, whose production involves adding dosage, a sugar-in-wine solution.