Caramelized Onion and Mushroom Tuna Tart

Caramelized Onion and Mushroom Tuna Tart
  • Prep Time:

  • Cook Time:

  • Recipe Yield: 12

32 minutes


  • 1 (4.5 oz.) Can - StarKist Selects® Low Sodium Chunk Light Tuna in Water
  • 1 pie crust
  • 1 Tbsp. olive oil
  • 1 sweet onion, thinly sliced
  • 8 oz. sliced baby bella mushrooms
  • 1 tsp. fresh thyme, chopped
  • 18 tsp. ground black pepper
  • 12 cup finely shredded Swiss cheese
  • 2 Tbsp. pine nuts, toasted


  • Roll pie dough into a long (~ 9 x 13) rectangle. Place in a shallow, rectangular tart pan and bake at 425°F until just firm and slightly brown on the edges. (About 10 minutes)
  • Meanwhile, heat olive oil in a medium non-stick skillet over medium high heat. Add onion and cook until onion browns. Add sliced mushrooms, thyme and black pepper and continue to cook until mushrooms are brown.
  • Spoon onion and mushroom mixture into tart shell. Break apart tuna into pieces and spread evenly over the top of the onions and mushrooms. Top with Swiss cheese and pine nuts. Broil until cheese melts and is slightly browned.
Servings Per Container about 12
When using 1 (4.5 oz.) Can - StarKist Selects® Low Sodium Chunk Light Tuna in WaterServings Size 112 pie (81g)
Amount Per ServingDV%*
Total Fat8g12%8g
Saturated Fat3g15%3g
Trans Fat0g0g
Total Carbohydrate13g4%13g
Dietary Fiber1g4%
Total Sugars3g3g
Includes Added Sugars
Vitamin A0%
Vitamin C2%

*The % Daily Value tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.