* "My heart was beating like a drum." This is a common idiom used to describe a feeling of excitement or nervousness.
* "She felt a lump in her throat." This is another common idiom used to describe a feeling of sadness or emotion.
* "He was sweating bullets." This idiom describes intense nervousness or anxiety.
* "It was a piece of cake." This idiom is used to describe something that is very easy to do.
However, these are not necessarily true idioms as they are more commonly used as metaphors or similes in the book.
The book itself focuses more on the sensory details and emotions associated with baking and enjoying pie. It uses vivid imagery and descriptive language to paint a picture of the experience, rather than relying on traditional idioms.
It's worth noting that the title itself could be considered an idiom, as "the pie book" is a common way to refer to a cookbook specifically focused on pies. However, this is more of a figurative expression rather than a traditional idiom.