Appetizers and Snacks Vegetable Mushrooms Stuffed Mushroom Recipes Tuna-Stuffed Mushrooms 4.4 (13) 9 Reviews 3 Photos Creamy tuna tossed with Swiss cheese, stuffed into button mushrooms, and baked into perfection. Submitted by Jessica MacClure Dermody Updated on September 26, 2024 Save Rate Print Share Close Add Photo 3 3 Prep Time: 15 mins Cook Time: 20 mins Total Time: 35 mins Servings: 10 Jump to Nutrition Facts Cook Mode (Keep screen awake) Ingredients 2 (3 ounce) cans white tuna in water, drained 2 (1 ounce) slices Swiss cheese, diced 2 tablespoons mayonnaise 1 ½ teaspoons sweet pickle relish ¼ teaspoon dried minced onion ¼ teaspoon onion powder salt and ground black pepper to taste 1 (8 ounce) package fresh white mushrooms, cleaned and stems removed Directions Preheat an oven to 350 degrees F (175 degrees C). 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. Bake in preheated oven until the mushrooms are soft and begin to give up their juices, 20 to 25 minutes. I Made It Print Nutrition Facts (per serving) 69 Calories 4g Fat 2g Carbs 6g Protein Show Full Nutrition Label Hide Full Nutrition Label Nutrition Facts Servings Per Recipe 10 Calories 69 % Daily Value * Total Fat 4g 6% Saturated Fat 2g 8% Cholesterol 13mg 4% Sodium 114mg 5% Total Carbohydrate 2g 1% Dietary Fiber 0g 1% Total Sugars 1g Protein 6g 13% Vitamin C 1mg 1% Calcium 48mg 4% Iron 0mg 2% Potassium 117mg 2% * Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. ** Nutrient information is not available for all ingredients. Amount is based on available nutrient data. (-) Information is not currently available for this nutrient. If you are following a medically restrictive diet, please consult your doctor or registered dietitian before preparing this recipe for personal consumption.