There are several Boston restaurants that offer a unique chef's tasting menu. These menus typically showcase the culinary skills and creativity of the chef, allowing diners to experience a variety of dishes in a single meal. Here are a few notable options:

1. Oleana: Located in Cambridge, Oleana is known for its Mediterranean-inspired cuisine. The restaurant offers a chef's tasting menu that features a selection of dishes highlighting seasonal ingredients and bold flavors.

2. Menton: Menton, located in the Fort Point neighborhood, is a fine dining establishment known for its elegant tasting menu. The menu changes regularly and features dishes crafted with precision and attention to detail.

3. No. 9 Park: Situated in Beacon Hill, No. 9 Park offers a chef's tasting menu that showcases Italian and French influences. The menu often includes dishes such as handmade pasta, perfectly cooked meats, and exquisite desserts.

4. Uni: Uni, located in the Back Bay neighborhood, is a Japanese izakaya-style restaurant that offers a unique chef's tasting menu focused on sushi and sashimi. The menu highlights the freshest fish and innovative flavor combinations.

5. Troquet: Troquet, a French bistro in the Theater District, offers a chef's tasting menu that showcases classic French dishes with a modern twist. The menu often includes dishes like foie gras, escargot, and perfectly executed meat and seafood dishes.

These are just a few examples of Boston restaurants that offer unique chef's tasting menus. It's always a good idea to check the restaurant's website or call ahead for the most up-to-date information on their offerings.