The Sandwich Tree has occupied its 17th Street location since at least the 1980s, and its approach has remained remarkably consistent. The Sandwich Tree has long served rotating soups, salads, lettuce wraps, packaged chips, and desserts alongside its subs. Expect A No-Frills Spot With Big Local LoyaltyDécor takes a secondary role inside The Sandwich Tree. Turn Idaho Falls Into A Serious Sandwich DetourAdding The Sandwich Tree to an Idaho Falls outing requires little planning beyond confirming the hours and arriving with a realistic appetite. Still, the large portions, independent recipes, and decades of local support make this an easy food stop to remember when your route passes through Idaho Falls.