CARPINTERIA, Calif. – Carl’s Jr. and Hardee’s are launching Steakhouse Burgers as a limited time offer. The Six Dollar Burger and Thickburger versions of the Steakhouse Burgers include a an Angus beef patty with steak sauce, blue cheese, onion strings, Swiss cheese, lettuce, tomatoes and mayonnaise all on a seeded bun.

These new products will be available at Hardee’s restaurants and at Carl’s Jr. starting Sept. 21. Pricing for the new burgers ranges from $3.29 to $5.39.

“We have tested a number of burgers with A.1. steak sauce, crumbled blue cheese or crispy onion strings in the past, but they never quite reached the level of a truly great burger that we require in order to introduce them nationwide,” said Brad Haley, chief marketing officer for Carl’s Jr. and Hardee’s. “It wasn’t until we ran across a burger in a steakhouse with all three toppings combined that we knew we had found it. In fact, the resulting new Steakhouse Burgers garnered the highest consumer research scores we’ve ever seen in a test market.”

As part of a cross-marketing campaign, for a limited time, retail bottles of A.1. Steak Sauce will feature the Steakhouse Burgers on the label with a link to a coupon for $1 off a Steakhouse Burger combo at Carl’s Jr. and Hardee’s.

CKE Restaurants, Inc. is a privately held company headquartered in Carpinteria, Calif. CKE, through its subsidiaries, operate 3,202 franchised, licensed or company-operated restaurants in 42 states and in 23 countries, including 1,278 Carl's Jr. restaurants and 1,914 Hardee's restaurants.