The Portobello Mushroom Buttery Jack Returns to Jack in the Box

Jack in the Box has brought back the Portobello Mushroom Buttery Jack for a limited time only.  The Portobello Mushroom Buttery Jack was first introduced to the Buttery Jack lineup last summer and it features a 1/4 pound beef patty topped with melted garlic herb butter, Portobello mushrooms, buttery grilled onions, and Swiss cheese.  The burger is finished with peppercorn mayo and served on a gourmet signature bun.
Portobello Mushroom Buttery JackNutrition info: 807 calories, 51 grams of fat, 23 grams of saturated fat, 128 milligrams of cholesterol, 1081 milligrams of sodium, 51 grams of carbs, 4 grams of fiber, 12 grams of sugar, 38 grams of protein

3 comments on “The Portobello Mushroom Buttery Jack Returns to Jack in the Box

  1. Stevie says:

    Here in St. Louis they brought this back and introduced a triple bacon buttery jack…with bacon butter! Eating one now…delicious!

  2. BigBelly says:

    My dining companion last night proclaimed this “one of the better fast food burgers out there” & We both love the new onion rings, such a improvement.

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