Local reports say Israeli airstrikes have destroyed bakeries across the strip, while many of those that remain are struggling to operate due to lack of fuel and flour.
In many countries, including Egypt, staples like bread have become much more expensive and harder to come by.
High bread prices have helped topple governments in the region.
Rising demand has led to a tripling in sales at Vermont-based King Arthur Flour.
Restaurant entrepreneur Nancy Silverton on 30 years of La Brea Bakery.