Panera Bread has introduced what it refers to as the largest menu evolution in its almost 40 years in business. Beginning ...

While some of the bread comes in frozen, the sandwiches are fresh. When you order a sandwich from Panera, employees assemble them in-house, made-to-order -- just like you would do yourself at home.

Panera unveiled Croissant Toast Sandwiches earlier this month The company unveiled its new Croissant Toast Sandwiches on April 16 that featured a new-to-menu sliced bread made from croissant dough.

Panera Bread is planning to roll out its "largest menu transformation ever," with more than 20 menu updates focused on what the chain is best known for — its sandwiches and salads.