お試しあれ
Meanings
1
give it a try!; try it out!
A polite, somewhat formal invitation to try something, often used in customer-facing contexts like product samples or service offers. The あれ is an imperative form of ある, giving a slightly old-fashioned or elegant feel.
These are our newly released sweets. Please give them a try.
We have free samples available. Please try them out.