Shamrock Donuts
Known for: Jefferson County doughnut shop known for gooey butter cake made fresh and fritters with fresh fruit every day.
1901 Richardson Rd
Arnold, MO 63010
Monday: Closed; Tuesday: 5:00 – 11:00 AM; Wednesday: 5:00 – 11:00 AM; Thursday: 5:00 – 11:00 AM; Friday: 5:00 – 11:00 AM; Saturday: 6:00 – 11:00 AM; Sunday: 7:00 – 11:00 AM

