From the "Tasting of Vegetables" menu at per se.
Slow Baked Heirloom Beets
"Bavarois" of Kendall Farms Crème Fraîche, Shaved Summer Truffle, Young Fennel and Bulls Blood Greens with Red Beet Reduction
Kendall Farms Crème Fraîche is pasteurized cultured cream with complex nutty flavors and gentle acidity, made with cream from Holstein cows and a patented heirloom starter culture.
http://www.frenchlaundry.com/
http://www.kendallfarmscremefraiche.com/