Which items are considered Pat Yisrael?

The minhag (custom) applies to breads, cakes, pies, pretzels and crackers. (In technical terms, it applies to all pat habo bikosnin. (For an in-depth explanation of pat habo bikosnin, see the following article https://oukosher.org/blog/consumer-kosher/the-mezonos-roll-is-it-a-piece-of-cake/)