The Sneaky Reasons Restaurants Give You Free Bread - Chowhound

There are theories that free bread could actually make diners spend more. One argument is that simple carbohydrates in white bread would cause a blood-sugar spike that makes you feel more hungry as you peruse the menu, in turn leading you to order more. The science here is a bit hazy: Simple carbs are digested faster, making you hungry sooner — but perhaps not immediately, as this idea implies. Diners often…