Turkey, Swiss, Mushroom, and Garlic Mayo Panini – Oh my!

Turkey, Swiss, Mushroom, and Garlic Mayo Panini - acertainserenity

Years ago, I used to order this sandwich from a little lunch deli in Hillside, Illinois. The combination of turkey, swiss, mushroom and garlic mayo flavors work so well together! The only thing I didn’t care for was that they didn’t butter the outer sides of the bread, which made it dry and rough on the roof of your mouth. So I added butter – which also helps with the browning process – and it did the trick. Hope you enjoy it!

Turkey, Swiss, Mushroom, and Garlic Mayo Panini

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Prep Time 15 mins
Course Dinner, Lunch, Main Course
Cuisine American
Servings 2 sandwiches


  • 2 cups sliced crimini mushrooms cleaned and stemmed
  • 2 Tbsp butter
  • cup mayonnaise
  • 2 Tbsp garlic powder
  • 4 slices Italian bread or your bread of choice
  • 4 Tbsp softened butter more or less, depending on the size of your bread slices
  • Swiss cheese sliced, enough for 2 slayers of cheese on each sandwich
  • 8-10 slices Deli turkey or enough to be generous for both sandwiches


  • Melt the butter over medium heat in a skillet or saucepan. Add the mushrooms and saute until tender. Turn off the heat, remove the mushrooms and them set aside.
  • In a small bowl, mix well the mayo, garlic powder and the butter that remained in the mushroom pan.
  • On a sheet of wax paper, lay out the slices of bread. Butter each side of the slices that will be the outside of the sandwich, all the way to the edges. Turn them over.
  • Spread the garlic mayo over each slice.
  • Add a layer of Swiss to one side of each sandwich.
  • Add a layer of the sauteed mushrooms on top of the cheese.
  • Now add the turkey on top of the mushrooms.
  • Add another layer of mushrooms on top of the turkey, then add another layer of Swiss on top of the mushrooms. Top the sandwiches with the "empty" bread slices, garlic mayo side down.
  • Heat a panini press to 350° on the grill setting. Don't go higher on the heat setting – using 350° will allow the sandwich to heat through, melt the cheese and not burn the bread. Alternatively, you can cook the sandwich in a non-stick skillet, medium-low heat.
  • When the press is ready, add the sandwiches and bring the top grill down on top of it.
  • Grill the sandwiches for 7-8 minutes, or until the cheese is melted and the bread is golden brown. If using a skillet, flip the sandwiches when one side is golden brown and cheese is melting, then repeat for the second side. It's also helpful to press the sandwich down with a spatula.
  • Remove from the heat, slice them in half, and enjoy!
Keyword garlic mayo, mushrooms, panini, swiss cheese, turkey
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Turkey, Swiss, Mushroom, and Garlic Mayo Panini - Oh my!

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