Blue Plate, a revamped diner-style eatery, officially opens its doors this Saturday, Aug. 22, in the former east side IHOP location. According to the Petaluma Argus-Courier, co-owners Emily and Louis Hoang passed final inspections and will welcome hungry guests daily from 7 a.m. to 9 p.m. The extensive menu features hearty breakfast classics like pancakes, omelets, and benedicts alongside lunch and dinner favorites. Guests can enjoy classic burg…