Thomas's English muffins contain whey from a dairy source.
Does toasting the muffin make the toaster dairy?
- Is the amount of dairy in the muffin less than 1/60 of the ingredients?
According to the author of this article:
Thomas’ English Muffins are not really Milchig at all. While they d contain dairy ingredients, they constitute less than 1/60th of the total mixture and are Batel.
It is worthwhile reading the whole article as it addresses the question of eating dairy "bread" and how that applies specifically to this specific product.