Tuna-Stuffed Mushrooms

  • Recipe By
  • Published Jul 9th
  • Ready In35m
  • Servings10
  • Calories69
Creamy tuna tossed with Swiss cheese stuffed into button mushrooms and baked into perfection.

Tuna-Stuffed Mushrooms Ingredients

The following are the ingredients needed to make delicious Tuna-Stuffed Mushrooms for 10 servings:

  • 2 (3 ounce) cans white tuna in water, drained
  • 2 (1 ounce) slices Swiss cheese, diced
  • 2 tablespoons mayonnaise
  • 1 1/2 teaspoons sweet pickle relish
  • 1/4 teaspoon dried minced onion
  • 1/4 teaspoon onion powder
  • salt and ground black pepper to taste
  • 1 (8 ounce) package fresh white mushrooms, cleaned and stems removed

Tuna-Stuffed Mushrooms Cooking Instructions

  • Prep15m
  • Cook20m
  • Ready In35m

To cook Tuna-Stuffed Mushrooms, you need about 15 minutes of preparation time. The time needed to cook this Tuna-Stuffed Mushrooms is about 20 minutes , and you can serve your Tuna-Stuffed Mushrooms within 35 minutes . The following are the steps to cook Tuna-Stuffed Mushrooms easily:

  1. 1 Preheat an oven to 350 degrees F (175 degrees C).
  2. 2 Combine the tuna, Swiss cheese, mayonnaise, sweet relish, dried onion, onion powder, salt, and pepper in a large bowl. Fill mushroom caps with the tuna mixture; place on baking sheet.
  3. 3 Bake in preheated oven until the mushrooms are soft and begin to give up their juices, 20 to 25 minutes.


  • Partner Tip
  • Reynolds® Aluminum foil can be used to keep food moist, cook it evenly, and make clean-up easier.

Nutrition Facts

Per Serving: 69 calories; 4.4 grams of fat; 1.5 gram of carbohydrates; 6.3 grams of protein; 13 milligrams of cholesterol; 114 milligrams of sodium.

  1. Jan 6th 2014

    These mushrooms were surprisingly delicious. I didn't completely follow the recipe (no mayo, no relish, no swiss). My substitutions were smoked gouda, leftover sausage apple cranberry stuffi ...

  2. Nov 2nd 2013

    This was absolutely gorgeous. I had 4 kilos of mushrooms so made the usual cheese, onion, garlic and ham and wanted something different. Thought about tuna, saw this recipe and went for it. ...

  3. Feb 21st 2013

    I'm sorry but these are just not good. I like tuna and I like stuffed mushrooms but this combination did not appeal to me. I made a half recipe because I actually had a half can of tuna le ...

  4. Jan 13th 2011

    Easy and tasty. Will make again. Good for apprtizers for a party

  5. Feb 24th 2010

    This was an excellent recipe. I used 2 Portabello caps and added diced onion and celery. Thanks for the recipe. :)

  6. Feb 9th 2010

    These are really good, I found this recipe while looking for something different to do with canned tuna. I did tweak the recipe some, because I am on a diet and to my taste. I used 12 white ...

  7. Jul 18th 2009

    I came up with this recipe, and before I could edit it, allrecipes accepted the recipe. So I meant to write 1 tsp garlic powder, instead of onion. Thanks