Recipe courtesy of Laura Vitale
Show: Simply Laura
Episode: 15-Minute Meals
15 min
15 min
4 servings
15 min
15 min
4 servings


  • 3 tablespoons extra-virgin olive oil, plus more for tossing
  • 2 teaspoons salt-free steak seasoning 
  • 2 teaspoons Worcestershire sauce 
  • Kosher salt and freshly ground black pepper 
  • Four 5-inch round Portobello mushrooms, stem and gills removed 
  • 4 slices Swiss cheese or any cheese of your choice 
  • 6 tablespoons mayonnaise 
  • 4 teaspoons chopped fresh chives 
  • 4 teaspoons whole-grain mustard 
  • Eight 1/2-inch slices sourdough bread 
  • 2 cups baby arugula


Watch how to make this recipe.

Special equipment: a grill pan

For the mushrooms: In a small bowl, mix together the oil, steak seasoning, Worcestershire sauce and some salt. Brush the mixture on both sides of each mushroom and set them aside to marinate a little while you preheat your grill pan.

Heat a grill pan over medium-high heat. Add the mushrooms top-side down and cook until tender, about 3 minutes on each side, topping each mushroom with a slice of cheese when it has 1 minute left on the second side; let it melt. If needed, cut the mushroom to make sure it will fit your bread nicely.

Meanwhile, in a bowl, stir together the mayonnaise, chives, mustard, a small pinch of salt and some black pepper. In another bowl, toss together the arugula, salt, pepper and some olive oil.

Place a dollop of the mayo mixture on one side of 1 of the slices of bread. Top with a mushroom and some dressed arugula, then place another piece of bread on top, give it a gentle press and cut in half. Repeat with the remaining ingredients. 

Trending Videos 7 Videos

Lighter Chocolate Brownies 02:54

These fudgy chocolate brownies are surprisingly low in fat and calories.


Portobello Crab Rockefeller

Recipe courtesy of Billy Vasquez

Grilled Portobello Mushrooms with Balsamic

Recipe courtesy of Alex Guarnaschelli

Sauteed Portobello Mushrooms with Garlic and Butter

Recipe courtesy of Patti LaBelle

Creamy Gorgonzola and Portobello Mushroom Risotto

Recipe courtesy of Nadia G

Turkey Roast Dip with Melted Gruyere

Recipe courtesy of Kelsey Nixon

Portobello Eggs

Recipe courtesy of The Cloud Cliff Bakery and Cafe

Portobello Mushrooms

Recipe courtesy of Ryan Allen

Patty Melt

Recipe courtesy of Tiffani Thiessen

Trending Videos

So Much Pretty Food Here