Bill Buford makes the stunning claim in his new book “Dirt” that famed chef Daniel Boulud puts food coloring in his pasta to make it look more yellow.

“When I later found myself in Boulud’s kitchen, and I was on my own downstairs, among the prep cooks, I fell into admiring the deep egg-yolky tortellini that the pasta guy was making,”

Buford writes in his new memoir about learning to cook French food, “and after asking if I could see the recipe discovered that, oh my, it included yellow food coloring.”

Will his reputation ever recover? We reached out to Boulud for comment.