Juicy watermelon and soy-marinated Ahi tuna with cucumbers make a delicious, light summer salad when you need a dish to impress!

Get ready for summer with this delicious and seasonal summer recipe! Juicy watermelon and soy-marinated Ahi tuna with cucumbers make a delicious, light, summer salad appetizer or first course when you need a dish to impress!

Summer Salad Total Time:

1 hour

Prep Time:

15 minutes + marinating time

Cook Time:



  • 1 lb sushi-grade tuna
  • 2 1/2 tablespoons soy sauce
  • 2 1/2 teaspoons fresh lime juice
  • 1 tablespoon grapeseed oil
  • 1 teaspoon sesame oil
  • 3/4 teaspoon minced fresh ginger
  • 1 teaspoon honey
  • 1 teaspoon minced garlic
  • 1/8 teaspoon red pepper flakes
  • 2 cups watermelon, half-inch cubes
  • 1 Persian cucumber, sliced 1/8-inch thick with mandolin, rolled tight
  • 1 shallot finely sliced, for garnish
  • cilantro or cilantro microgreens for garnish


  1. Using a very sharp knife, trim away any skin from the tuna fillet. Cut the tuna into 1/4-inch cubes and place in a bowl.
  2. In a medium bowl whisk soy sauce, lime juice, oil, sesame oil, honey, garlic, ginger, and red pepper flakes.
  3. Pour over tuna, add salt to taste at the very end. Marinate at least 45 to 50 minutes in the refrigerator.
  4. To serve, grab 4 plates, divide the tuna and place a few watermelon cubes around, add cucumber and garnish with shallots and cilantro.


Yield: 4 servings, Serving Size: 1/4

  • Amount Per Serving:
  • Calories: 217 calories
  • Total Fat: 5.5g
  • Saturated Fat: 0.5g
  • Cholesterol: 44mg
  • Sodium: 429.5mg
  • Carbohydrates: 13g
  • Fiber: 1g
  • Sugar: 8g
  • Protein: 29.5g

A Bit About Our Newest Wellness Expert, Matt

Matt Mrazik is a Registered and Pennsylvania Licensed, Dietitian/Nutritionist. Matt graduated from the University of Pittsburgh where he earned his Bachelor of Science degree in Clinical Dietetics & Nutrition. While having a passion not only for the importance of food, nutrition, and healthful eating but also recognizing and wanting to better incorporate the principles of exercise and movement into a total and comprehensive plan for health, Matt completed several graduate courses in the area of exercise physiology as well at Pitt.

Matt’s approach to nutrition education is simple:  meet his clients where they are on their healthcare journey. Recognizing that everyone is at a different point in their journey with  various levels of nutrition education and experiences, along with a history of potential wins as well as barriers to success, Matt’s years of sales training, and highly refined communication, interviewing and listening skills, help in gaining that information with each client that he works with. Additionally, through the incorporation of self-monitoring behaviors, Matt seeks to involve his clients, to facilitate essential learning.

If you would like to schedule an evaluation with Matt, contact him here!

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