Just the ticket
Definition 1 of 1
Pro Tip 1/3Positive Connotation
The phrase often implies satisfaction with a solution or situation. 
Finding a qualified tutor was just the ticket for improving my grades.
Pro Tip 2/3Informal Use
It's casual language, typically used in informal conversations. 
A cup of hot tea is just the ticket on a cold day.
Pro Tip 3/3Solution Oriented
Use it when highlighting a problem's solution, rather than discussing the problem itself. 
These noise-cancelling headphones are just the ticket for studying in a noisy dorm.