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Keto Avocado Tuna Melt

This easy tomato avocado tuna melt turns a classic deli favourite into a healthy low carb, keto friendly, high protein, kid approved lunch or dinner.
Course Main Course
Cuisine American
Keyword dinner, keto, low carb, lunch, kid friendly, fish, tuna, tuna melt
Prep Time 10 minutes
Cook Time 7 minutes
Total Time 17 minutes
Servings 5
Calories 522kcal
Author Abbey Sharp


  • 2 cans tuna
  • ¼ c minced dill pickles
  • 1 tbsp parsley dill or Green onions
  • ¼ cup mayo or yogurt
  • 2 tbsp cream cheese
  • 1 small avocado mashed
  • ½ cup shredded cheddar
  • ½ cup shredded mozzarella
  • Salt and pepper to taste
  • 8 thick slices of tomatoes from 2-3 tomatoes


  • Cut 8 thick slices out of 2 to 3 large tomatoes and place on a parchment lined baking sheet.
  • In a bowl, combine the tuna, dill pickles, herbs, mayo, cream cheese and avocado.
  • Spoon out the tuna mixture onto each tomato slice.
  • Top each tomato slice with cheddar and mozzarella cheese.
  • Add pan to oven and broil for 5-7 minutes.


Calories: 522kcal | Carbohydrates: 32g | Protein: 36g | Fat: 30g | Saturated Fat: 9g | Cholesterol: 65mg | Sodium: 446mg | Potassium: 2091mg | Fiber: 12g | Sugar: 19g | Vitamin A: 6215IU | Vitamin C: 99mg | Calcium: 267mg | Iron: 4mg