CARPINTERIA Calif. Carl’s Jr. is bringing back the Portobello
Mushroom Six Dollar Burger and making it a permanent menu item,
the company said Wednesday. The Portobello Mushroom Six Dollar
Burger appeared previously as a limited-time offer in 2005 and
2007. The burger features a half-pound Angus beef patty topped
with Portobello mushrooms sautéed in a garlic-butter sauce,
Swiss cheese, red onion, lettuce, tomato and mayonnaise on a
seeded bun.The return of the Portobello burger ...  Register to
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