More specifically, a straight croissant means the viennoiserie was crafted with 100% butter, whereas a curved version might be made with margarine or vegetable oil. The claim is directly ...

But he is refusing to follow some competitors who have started making their croissants with margarine. "It's a distortion of what a croissant is," Delmontel said. "A croissant is made with butter." ...

But he is refusing to follow some competitors who have started making their croissants with margarine. "It's a distortion of what a croissant is," Delmontel said. "A croissant is made with butter." ...