What are the best and cleanest britheks in ny

It seems there might be a typo in your question. If you're referring to "bakeries" in New York City, I can recommend several that are known for their cleanliness and delicious offerings. Here are some of the best bakeries in NYC:

**Dominique Ansel Bakery** - Famous for the Cronut, this bakery has a reputation for high-quality pastries and a clean environment.

**Balthazar Bakery** - Located in SoHo, Balthazar is renowned for its artisanal bread and pastries in a pristine setting.

**Levain Bakery** - Known for its legendary cookies, Levain maintains a neat and tidy atmosphere.

**Magnolia Bakery** - Famous for its classic American baked goods and tidy ambiance.

**Flour Bakery** - Known for their fresh, wholesome ingredients and a clean, inviting space.

**Milk Bar** - With several locations around NYC, Milk Bar is recognized for its inventive desserts and maintains a clean and modern vibe.

**Lady M Cake Boutique** - Known for its elegant cakes, especially the Mille Crepes, in a chic and well-kept environment.

If you meant something else by "britheks," please clarify so I can assist you better!