The signature sandwich is the Yolko Ono,[1] described as "oniony sausage patties" with pesto, a fried egg, and toasted sourdough.

[5] According to Eater Portland, Krause "had basically no experience running a business when he started" and he launched Fried Egg I'm in Love "for just $10,000 by getting a rent-to-own deal on an existing cart".

[18] In late 2023, Krause announced plans to close the Prost Marketplace cart in December and open a nearby restaurant at Fremont and Mississippi in January 2024.

[22] Alex Frane included Fried Egg I'm in Love in Eater Portland's 2021 list of "17 Spots to Grab Amazing Breakfast Sandwiches".

[25][26] Caitlin Flynn selected Fried Egg I'm in Love for Oregon in Eat This, Not That's 2022 overview of "The Best Breakfast Sandwich in Every State".