I have a refined palate.

Meaning

I have a sophisticated and discerning taste in food and drink.

Examples

• John: This wine is quite something.
• Alice: Yes, it is. <b>I have a refined palate</b>, and I can tell this is a superior vintage.
• John: I agree. It's a very subtle flavor profile.
• Alice: Exactly! That's why <b>I have a refined palate</b> - I notice these nuances.