Heart Healthy Spinach Quiche with Quinoa

(5.0)
By Judy Capodanno
Updated 2/16/2026
Dietitian Reviewed: Jane Schwartz, RDN, CLT
Approved for These Diets:
Heart Healthy | Gluten Free | Diabetic | Vegetarian
Heart Healthy Spinach Quiche with Quinoa
Photo Credit: Baldwin Publishing Staff Photographer

Indulge in a creamy, velvety spinach quiche that swap heavy pastry for a nutrient-dense quinoa base. This heart-healthy recipe uses a sophisticated blend of Gruyere and feta cheese to create an impressive texture that's perfect for a weekend brunch or a simple meal prep breakfast.

This recipe is easy to assemble and incredibly versatile. Whether you are looking for a heart healthy breakfast or a protein-packed vegetarian lunch, this quiche delivers elegant results with minimal effort.

Total Time
75 minutes
Servings
6
Calories
195

What Makes This Spinach Quiche with Quinoa Healthy

This quiche reinvents a traditionally high-fat dish by replacing the buttery, refined-flour crust with a fiber-rich quinoa foundation. By incorporating lean protein from egg whites and nutrient-dense fresh spinach, this recipe provides a satisfying meal that stabilizes blood sugar and supports heart health through controlled sodium and saturated fat levels.

Key Health Highlights

  • High-Protein Quinoa Base: Provides a complete plant-based protein and fiber source, making this quiche more filling than traditional versions.
  • Nutrient-Dense Greens: Fresh spinach is packed with vitamins A, C, and K, as well as folate and iron.
  • Heart-Healthy Fats: Uses monounsaturated fats from olive oil and reduced-fat cheeses to maintain a velvety texture with less saturated fat.
  • Lower Cholesterol: A combination of whole eggs and egg whites reduces overall dietary cholesterol while keeping the classic "custard" feel.
  • Gluten-Free & Diabetic-Friendly: Naturally free of wheat and low in refined carbohydrates to help manage blood sugar levels.

FAQs About Quinoa Spinach Quiche

Yes! Quinoa is high in fiber and minerals like magnesium and potassium, which are essential for heart health. Its high fiber content can help lower cholesterol levels and manage blood pressure.

Absolutely. Quinoa makes an excellent flourless "crust" or filler for quiche. It provides a structured base that holds the egg mixture together while adding a boost of protein and fiber.

Yes, it is highly recommended. Cooking the spinach first allows you to drain away excess moisture. If you add raw spinach directly, it may release water during baking, resulting in a soggy quiche.

Standard quiches can be high in saturated fat due to buttery crusts and heavy cream. However, this version is heart-healthy because it uses a quinoa base, olive oil, and a higher ratio of egg whites to whole eggs.

The quiche is done when the top is golden brown and the center feels firm to the touch. It should also begin to slightly pull away from the edges of the pie plate.

Heart Healthy Breakfast Favorites

Discover a variety of nutrient-dense morning meals designed to support cardiovascular health without sacrificing flavor. These dietitian-approved recipes prioritize lean proteins and fiber-rich ingredients to keep you satisfied and energized throughout the day.

Gluten-Free Morning Meals

Enjoy delicious, gluten-free breakfast options that cater to gluten sensitivities while focusing on whole-food nutrition. From protein-rich egg dishes to fiber-packed oats, these recipes provide a safe and healthy way to start your gluten-free journey each morning.

Ingredient Spotlights

  • Quinoa is often called a "superfood" for good reason. Unlike most grains, it is a complete protein, containing all nine essential amino acids. In this recipe, the cooked quinoa absorbs the savory flavors of the onion and cheese, providing a delightful nutty undertone and a satisfying "bite" that mimics a traditional crust without the heavy gluten or butter.
  • Spinach is a powerhouse of antioxidants. When cooked briefly, as in this recipe, it wilts into the egg mixture to provide consistent flavor in every forkful. Its high fiber content supports digestive health, while its potassium levels help regulate blood pressure, making it a staple for any cardiac-friendly diet.

Healthy Variations

  • Mediterranean Style: Add ¼ cup of chopped sun-dried tomatoes and a teaspoon of dried oregano.
  • Smoky & Spicy: Stir in a pinch of smoked paprika or a few red pepper flakes for a flavor kick without adding extra sodium.
  • Extra Veggie: Add finely diced bell peppers or sautéed mushrooms to the onion mixture for added bulk and nutrients.

Ingredients

Recipe yields 6 servings

Directions

  1. Step 1

    Preheat oven to 350°. Lightly coat a 9-inch pie plate with nonstick cooking spray.

  2. Step 2

    In a skillet, heat oil over medium heat until hot. Add onion and cook until soft and browned, about 15 minutes. Remove from pan and set aside.

  3. Step 3

    In the same skillet, cook spinach for 5 minutes. In a large bowl, combine quinoa, onion, spinach and cheeses.

  4. Step 4

    In a small bowl, whisk eggs and egg whites. Pour over quinoa mixture, and stir until combined. Add nutmeg and black pepper to taste.

  5. Step 5

    Pour mixture into prepared pie plate. Bake for 45 minutes, or until top is golden brown and quiche has started to pull away from edges. Serve hot or at room temperature.

Nutrition Facts

Serving Size:
1/6 quiche

195
Calories
10
g
Fat
134
mg
Cholesterol
107
mg
Sodium
11
g
Carbs
4
g
Sat. Fat
2
g
Fiber
14
g
Protein

Alternative Cooking Methods

  • Mini Quiche Muffins: Pour the mixture into a greased muffin tin and bake at 350°F for 20–25 minutes. These are perfect for on-the-go breakfast meal prep.
  • Cast Iron Skillet: For a rustic look and a crispier edge, bake the mixture in a pre-heated 9-inch cast iron skillet.

Serving & Storage Tips

  • To Serve: Let the quiche rest for 5–10 minutes after baking to allow the eggs to set fully before slicing.
  • Refrigeration: Store leftovers in an airtight container for up to 4 days.
  • Reheating: For the best texture, reheat slices in a 350°F oven for 10 minutes or in an air fryer for 3–5 minutes. Microwaving is faster but may result in a softer quinoa base.
  • Freezing: This quiche freezes well! Wrap individual slices tightly in foil and store in a freezer bag for up to 3 months.

What to Serve With This Heart Healthy Spinach Quiche

This quiche pairs beautifully with light, fresh sides that balance its savory richness. Consider serving it with an easy fruit salad for a bright morning meal. For a more substantial lunch or dinner, a side of roasted vegetables or a simple green salad with low sodium salad dressing rounds out the plate perfectly.

Ingredient Substitutions

You can substitute the spinach with finely chopped kale or Swiss chard; just ensure you cook them until tender before mixing.

If you don't have Gruyere, a sharp Swiss or a light white cheddar works well. Goat cheese can also be used in place of feta for a tangier profile.

Shallots or leeks provide a milder, sweeter flavor if you prefer a more subtle aromatics base.

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