Bret Thorn and Nancy Kruse discuss why it is beneficial for restaurant operators to accommodate customers when it comes to secret menus.

All restaurants in northern California will offer Sofritas, a tofu-based protein

Details of the chain's plan to make offerings more healthful remain unclear

The high-protein, gluten-free grain is becoming a popular ingredient used by a wide variety of restaurants.

Nutrient-dense ingredients such as avocado, olive oil and blueberries are proliferating on menus, Datassential finds

Smashburger, Shake Shack and Chipotle are among chains championing local breweries

The trending veggie appears in salads, flatbreads, condiments and even cocktails

Among the biggest rollouts were Little Caesars' deep-dish pizza and KFC's boneless chicken.

The casual-dining chain will also debut a new flatbread platform in May