Heart Healthy Scallop Stuffed Tomatoes

(5.0)
By Judy Capodanno
Updated 3/25/2026
Dietitian Reviewed: Jane Schwartz, RDN, CLT
Approved for These Diets:
Heart Healthy Scallop Stuffed Tomatoes
Photo Credit: Baldwin Publishing Staff Photographer

Diced scallops, garlic, and tender quinoa fill roasted tomatoes in this heart-healthy main dish. This recipe is a perfect alternative to traditional stuffed vegetables that often rely on heavy breadcrumbs or white rice.

By using quinoa, you get a boost of plant-based protein and fiber that pairs beautifully with the natural sweetness of roasted tomatoes. Raisins and fresh herbs like thyme and basil lend a deliciously rich, Mediterranean-inspired flavor to this one-of-a-kind recipe. It’s an elegant yet simple way to enjoy scallops that fits perfectly into a heart-healthy or diabetic-friendly diet.

As one of our favorite Mediterranean Diet recipes, this dish along with many of our other healthy quinoa and seafood recipes will inspire your taste buds to try even more!

Total Time
75 minutes
Servings
6
Calories
125

What Makes These Scallop Stuffed Tomatoes Healthy

This recipe prioritizes lean protein and high-fiber grains to support cardiovascular health and weight management. By baking the scallops inside antioxidant-rich tomatoes, we preserve moisture and flavor without the need for heavy fats or oils.

Key Health Highlights

  • Lean Protein Source: Scallops are naturally low in fat and provide high-quality protein and essential minerals like magnesium and potassium.
  • Fiber-Rich Quinoa: Swapping traditional fillers for quinoa adds heart-healthy fiber, which helps manage cholesterol and blood sugar levels.
  • Antioxidant Boost: Ripe tomatoes are a primary source of lycopene, an antioxidant linked to reduced risk of heart disease.
  • Low-Sodium Preparation: Using low-sodium vegetable broth and fresh herbs reduces the need for added salt, making this ideal for a low-sodium diet.

FAQs About Scallop Stuffed Tomatoes

Yes! The acidity of the tomatoes cuts through the richness of the scallops, while the roasting process brings out the natural sweetness in both.

Since the scallops are diced small and sautéed before being baked, they cook quickly. They are done when they turn opaque and firm (usually about 3-5 minutes in the pan).

Absolutely. Just ensure they are completely thawed and patted dry with a paper towel before dicing to prevent excess moisture in the filling.

Mediterranean Seafood Favorites

Explore more heart-healthy seafood recipes that feature lean proteins and Mediterranean flavors, perfect for supporting cardiovascular wellness without sacrificing taste.

Nutritious Quinoa & Grain Dishes

Discover a variety of nutrient-dense grain recipes that utilize fiber-rich quinoa and whole grains to help manage cholesterol and provide long-lasting energy.

Ingredient Spotlights

  • Scallops: Scallops are a nutritional powerhouse for heart health. They are incredibly lean, containing very little saturated fat, and are a great source of Vitamin B12 and omega-3 fatty acids. These nutrients are essential for maintaining healthy blood vessels and reducing inflammation throughout the body.
  • Quinoa: Often called a "superfood," quinoa is one of the few plant foods that contain all nine essential amino acids. For those following a heart-healthy diet, its high fiber content is particularly beneficial for improving digestion and supporting healthy cholesterol levels.

Healthy Variations

  • Italian-Style: Swap the thyme for dried oregano and add a teaspoon of nutritional yeast for a "cheesy" flavor without the dairy.
  • Spicy Scallop: Add a pinch of crushed red pepper flakes to the onion and garlic sauté for a gentle heat.
  • Nutty Crunch: Stir in a tablespoon of toasted pine nuts or slivered almonds to the filling for extra texture.

Ingredients

Recipe yields 6 servings

Directions

  1. Step 1

    In a small saucepan, bring broth and quinoa to a boil. Lower the heat, cover and simmer until broth is absorbed and grains are tender, 20 to 25 minutes.

  2. Step 2

    Slice the top off each tomato. Use a spoon to hollow out pulp and seeds and reserve the pulp and seeds in a bowl. Chop the tomato tops and add to the bowl. Set bowl and tomato shells aside.

  3. Step 3

    Preheat oven to 400°. In a large skillet over medium heat, combine the onion and 2 tablespoons water. Cook, stirring frequently, until onion begins to brown, about 6 minutes. Stir in garlic, scallops, raisins, thyme, salt, pepper and reserved tomato trimmings and cook, stirring frequently, until most of the liquid has evaporated, about 5 minutes. Stir in cooked quinoa, basil and vinegar.

  4. Step 4

    Stuff the tomato shells with quinoa mixture and arrange the stuffed tomatoes in an 8 x 8-inch baking dish. Bake for 15 minutes, or until the tomatoes are soft and filling is just browned on top.

Nutrition Facts

Serving Size:
1 tomato

125
Calories
1
g
Fat
12
mg
Cholesterol
285
mg
Sodium
19
g
Carbs
0
g
Sat. Fat
2
g
Fiber
10
g
Protein

Alternative Cooking Methods

  • Air Fryer: Place stuffed tomatoes in the air fryer basket at 375°F for 8–10 minutes. This creates a slightly crispier top on the quinoa filling.
  • Grill: Place the stuffed tomatoes in a foil boat and grill over medium heat for 12–15 minutes with the lid closed. This adds a subtle smoky flavor to the dish.

Serving & Storage Tips

  • To Store: Keep leftover stuffed tomatoes in an airtight container in the refrigerator for up to 2 days.
  • To Reheat: For the best texture, reheat in a 350°F oven for 10–12 minutes until warmed through. Microwave reheating is possible but may make the tomatoes slightly mushy.
  • Make Ahead: You can prepare the quinoa and scallop filling a day in advance. Stuff and bake the tomatoes just before serving to ensure they stay firm.

What to Serve With These Heart Healthy Scallop Stuffed Tomatoes

Because this dish contains protein, grains, and vegetables, it is a balanced mini-meal on its own. To round it out for a larger dinner, serve alongside a crisp green salad with our Maple Tahini Dressing or a side of roasted broccoli. It also pairs exceptionally well with a light, broth-based soup.

Ingredient Substitutions

If you don't have scallops, diced shrimp or firm white fish like cod work beautifully in the quinoa mixture.

While quinoa is preferred for its nutrient density, you can substitute with cooked brown rice or farro (if not following a gluten-free diet).

This stuffing also tastes great in hollowed-out bell peppers or large zucchini boats.

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