Recipe: Portobello Mushroom Sandwiches with Arugula and Balsamic Aïoli

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From Denny: Featured recently in our local newspaper was this recipe from the Weber's Grill cookbook. The heat is in triple digits across America and we could use some "brain food" as our brains feel cooked! And I sure love Portobello mushrooms - the texture is almost like a steak with a lot less calories! :) Enjoy!

And make sure you are drinking lots of water in this summer heat - even when you don't feel thirsty - if you wait until then you may suffer serious heat stroke.

From: “Weber’s Way to Grill: The Step-by-Step Guide to Expert Grilling”

Serves: 6

Aïoli:

1/3 cup mayonnaise

2 tbls. balsamic vinegar

1 tsp. kosher salt

1 tsp. minced garlic

Marinade:

3/4 cup extra virgin olive oil

1/4 cup red wine vinegar

2 tbls. finely minced shallot

1 tsp. minced garlic

1 tsp. kosher salt

1/2 tsp. black pepper

6 large portobello mushrooms, cleaned, stems and black gills removed

Kosher salt

Freshly ground black pepper

6 Kaiser rolls, cut in half

2 ozs. arugula, trimmed, rinsed and dried

Directions:

1. In a small bowl, combine the aïoli ingredients. Refrigerate until ready to assemble the sandwiches.

2. In a small bowl, whisk the marinade ingredients. Place the mushroom caps, gill sides down, in a large baking pan. Brush the mushroom caps generously with the marinade and turn the caps over. Spoon the rest of the marinade over the gill side. Allow the mushrooms to marinate at room temperature for 15 to 20 minutes.

3. Prepare the grill for direct cooking over medium heat.

4. Remove the mushrooms from the pan and reserve the marinade. Lightly season the mushrooms with salt and pepper. Brush the cooking grates clean. Grill the mushrooms, gill sides down, over direct medium heat, with the lid closed as much as possible, until they begin to soften, 4 to 6 minutes.

Brush the cap sides of the mushrooms with some of the remaining marinade from the pan. Turn the mushrooms over and then grill them until they are tender when pierced with a knife, 4 to 6 minutes.

5. Grill the rolls, cut sides down, over direct medium heat until lightly toasted, about 30 seconds.

6. Spread aïoli on the toasted buns and top each one with some arugula and a mushroom. Serve warm.

Way to grill portobello mushrooms: Cut away the stems and any curled edges around the rims. With a spoon, gently scrape away the dark gills that might be holding dirt. Use a vinaigrette to marinate and baste the mushrooms. Finish grilling the mushrooms with the stem sides facing up so that the juices are held inside the caps.