Austin Kestner

CAMP POINT, Ill. — Kimberly Kestner’s parents, Kenny and Angie Volk, are the owners of the Tastee Treat in Mount Sterling, a popular stop on U.S. 24 to get a burger, shake or sundae since the 1950s. When Kimberly and her husband, Austin, learned of the opportunity to buy the Shake Shack in Camp Point,…