French Tuna and Tomato Quiche with a Sweet Potato Crust: A Savory Delight
This unique and delectable quiche features layers of tangy mustard, hearty tuna, and sweet cherry tomatoes, all nestled in a naturally gluten-free sweet potato crust.
The inspiration for this delightful French Tuna and Tomato Quiche came to me in the charming city of Bordeaux, France. While savoring the ambiance of a local café, my eyes caught sight of a daily special handwritten on a chalkboard: “Plat du jour: Quiche thon, tomates, et moutarde.” Tuna, tomatoes, and mustard – what an intriguing combination for a quiche! I immediately knew I had to recreate this culinary experience at home. This distinctive blend of flavors promises to transform your perception of classic quiche, offering a fresh and exciting twist.
This recipe brings together the natural sweetness of ripe cherry tomatoes, the robust and satisfying flavor of canned tuna, and the subtle, piquant kick of mustard. These ingredients harmoniously melt together, creating a symphony of tastes that is both comforting and sophisticated. If you’re a fan of quiche recipes that use a potato-based crust, you’ll surely love exploring other creations such as my zucchini and kale quiche with a sweet potato crust or the timeless gluten-free quiche lorraine with a potato crust. Each offers a unique way to enjoy a wholesome, grain-free base.
Table of Contents
- Why This Recipe Works: A Healthy & Flavorful Choice
- Essential Ingredients for Your Tuna & Tomato Quiche
- Step-by-Step Instructions to Master This Quiche
- Expert Tips for the Perfect Quiche Experience
- More Delightful Egg-Based Recipes You’ll Love
- French Tuna and Tomato Quiche with a Potato Crust Recipe Card
Why This Recipe Works: A Healthy & Flavorful Choice
This French Tuna and Tomato Quiche isn’t just delicious; it’s also incredibly smart and satisfying for several reasons:
- A Unique Way to Enjoy Canned Tuna: Far from a simple sandwich, this recipe elevates humble canned tuna into a gourmet experience. It’s a fantastic solution for transforming pantry staples into something extraordinary, offering a new perspective on versatile canned tuna.
- Protein-Packed Powerhouse: With a generous amount of tuna and eggs, this quiche is an excellent source of lean protein. It provides sustained energy, helps keep you feeling full and satisfied, making it an ideal meal for breakfast, lunch, or a light dinner.
- Naturally Gluten-Free and Paleo-Friendly: By using thinly sliced sweet potato instead of traditional flour-based pastry, this quiche is naturally gluten-free and adheres to Paleo dietary principles. This makes it an accessible and wholesome option for those with dietary restrictions or anyone looking to reduce their grain intake without sacrificing flavor or texture. The sweet potato crust adds a subtle earthy sweetness that complements the savory filling beautifully.
- Simple & Approachable: Despite its sophisticated flavors, this recipe is straightforward to prepare. The steps are easy to follow, making it suitable for both novice and experienced home cooks.
- Versatile for Any Meal: Whether you’re looking for a hearty breakfast, a light lunch paired with a salad, or an elegant brunch centerpiece, this quiche fits seamlessly into any meal plan. Its robust flavors make it appealing at any time of day.
- Flavor Harmony: The combination of umami-rich tuna, bright tomatoes, and the unexpected zing of mustard creates a complex yet balanced flavor profile that truly excites the palate.
Essential Ingredients for Your Tuna & Tomato Quiche
Crafting this savory quiche requires a few simple, wholesome ingredients. Opt for the freshest produce and high-quality pantry items to ensure the best flavor:
- Sweet Potato: Choose firm, medium-sized sweet potatoes for the crust. Their natural sweetness and texture provide a wonderful, healthy alternative to traditional pastry.
- Olive Oil: A good quality extra virgin olive oil will add flavor and help crisp up your sweet potato crust.
- Mustard: Dijon mustard is highly recommended for its classic tangy and slightly spicy flavor, which pairs incredibly well with tuna and tomatoes. Whole grain mustard can also offer an interesting texture.
- Canned Tuna: Select a high-quality canned tuna, preferably packed in olive oil or water, without added soy or other fillers. Wild Planet is a great option for its purity and sustainability.
- Almond Milk (or Canned Coconut Milk): Unsweetened almond milk or full-fat canned coconut milk (for a richer, dairy-free option) forms the creamy base of your egg custard.
- Eggs: Fresh, large eggs are the foundation of any quiche. They bind the ingredients together and create that classic custardy texture.
- Salt and Pepper: Essential seasonings to enhance all the flavors in the quiche. Adjust to your personal preference.
- Dried Basil: This aromatic herb complements the tomatoes and tuna beautifully, adding a touch of Mediterranean flair. Fresh basil can also be used, added at the end for vibrant flavor.
- Cherry Tomatoes: Halved or quartered cherry tomatoes bring bursts of sweetness and a lovely pop of color to the quiche.
Step-by-Step Instructions to Master This Quiche
Follow these detailed steps to create your own perfect French Tuna and Tomato Quiche with a sweet potato crust:
Step 1: Prepare and Bake the Sweet Potato Crust. Begin by preheating your oven to 400°F (200°C). Carefully peel your sweet potatoes and slice them into thin, uniform rounds, ideally about ⅛-inch thick. Arrange these slices in a circular, overlapping pattern within a 9-inch pie dish, ensuring they cover the bottom and sides to form a cohesive crust. Lightly spray or brush the sweet potato slices with olive oil. Bake the crust for 20 minutes until the edges begin to soften and lightly brown.
Step 2: Apply the Mustard Layer. Once the sweet potato crust has finished baking, remove it from the oven and allow it to cool for about 5 minutes. While it cools, reduce your oven temperature to 375°F (190°C). Then, evenly spread a generous layer of mustard (approximately 3 tablespoons) over the entire surface of the sweet potato crust using a rubber spatula or the back of a spoon. Don’t worry about perfection; a rustic spread is perfectly fine.
Step 3: Add the Tuna Layer. Open your can of tuna, drain any excess liquid thoroughly, and transfer the tuna to a small bowl. Using a fork, mash the tuna until it’s finely crumbled. Then, carefully sprinkle and distribute this flaked tuna evenly over the mustard layer on your sweet potato crust. Ensure an even spread so every slice of quiche gets a good portion of tuna.
Step 4: Prepare and Pour the Egg Mixture. In a separate medium-sized bowl, whisk together the eggs, almond milk (or coconut milk), salt, pepper, and dried basil until well combined and slightly frothy. This forms the rich and creamy custard for your quiche. Gently fold in the sliced cherry tomatoes, ensuring they are evenly distributed within the egg mixture. Finally, carefully pour this entire egg and tomato mixture over the tuna layer in your sweet potato crust.
Step 5: Bake to Perfection & Serve. Place the pie dish with your assembled quiche into the preheated 375°F (190°C) oven. Bake for approximately 40 minutes, or until the center is set and the top is beautifully golden brown. To check for doneness, insert a knife into the center; if it comes out clean, your quiche is ready. Remove the quiche from the oven and allow it to rest for 5-10 minutes before slicing. This resting period helps the quiche set further and makes for cleaner slices. Slice, serve, and enjoy your delicious French Tuna and Tomato Quiche!
Expert Tips for the Perfect Quiche Experience
Elevate your quiche-making skills and ensure a delightful experience with these expert tips:
- How to Serve:
- For a Complete Meal: This quiche makes a fantastic lunch or dinner when paired with a fresh, crisp side salad tossed with a light vinaigrette. The freshness of the salad beautifully complements the rich, savory quiche.
- Quick Bites & Snacks: Enjoy a slice as is for a satisfying quick bite, a protein-rich snack, or a wholesome breakfast on the go.
- Add Fresh Veggies: Enhance your meal by serving with additional fresh vegetables like sliced avocado, cucumber, or steamed asparagus on the side.
- Brunch Favorite: This quiche is perfect for brunch gatherings. Its vibrant colors and unique flavors will impress your guests.
- How to Store:
- Refrigeration: Allow any leftover quiche to cool completely to room temperature. Then, cover the pie dish tightly with aluminum foil or transfer individual slices to an airtight container. Store in the refrigerator for up to 3 days.
- Reheating: To reheat, place individual slices in a microwave for 1-2 minutes until warmed through, or in a preheated oven at 350°F (175°C) for 10-15 minutes for a crispier crust.
- Ingredient Variations:
- Herbs: Experiment with other dried herbs like oregano or herbes de Provence for a different aromatic profile. Fresh dill would also be exquisite with tuna.
- Cheese (if not Paleo): If your diet allows, a sprinkle of grated Gruyère or sharp cheddar cheese on top of the tuna layer before pouring the egg mixture would add an extra layer of richness.
- Spicy Kick: A pinch of red pepper flakes in the egg mixture could add a subtle heat.
- Achieving the Perfect Sweet Potato Crust:
- Uniform Slices: Aim for consistently thin sweet potato slices (about ⅛-inch) to ensure they cook evenly and form a pliable crust. A mandoline slicer can be very helpful here.
- Overlap for Stability: Overlapping the slices slightly will create a sturdier crust that holds together better when sliced.
- Don’t Overcrowd: Ensure you have enough surface area for each sweet potato slice to crisp up slightly during the initial bake.
- Preventing a Soggy Crust:
- Pre-bake is Key: The initial baking of the sweet potato crust is crucial for preventing sogginess once the wet filling is added.
- Don’t Overfill: Avoid overfilling the quiche dish, as this can lead to a longer cooking time and potentially a less firm crust.
More Delightful Egg-Based Recipes You’ll Love
If you’re a fan of the versatility and nutritional benefits of eggs, you’ll be thrilled to explore these other fantastic recipes. Perfect for breakfast, brunch, or a light meal, these dishes offer delicious ways to incorporate eggs into your diet.
These convenient and wholesome broccoli egg muffins are perfect for meal prep or a quick, healthy breakfast on the go. Packed with vegetables and protein, they’re a delicious start to any day.
Another fantastic grab-and-go option, these zucchini egg muffin cups are light, flavorful, and incredibly nutritious. A great way to sneak in extra greens!
For another delicious sweet potato crust creation, try this vibrant quiche featuring broccoli, carrots, pine nuts, and tangy goat cheese. It’s a flavor-packed and naturally gluten-free option.
Did you try this recipe? Please leave us a ⭐ review below! Your feedback helps other home cooks discover and enjoy these recipes.
French Tuna and Tomato Quiche with a Sweet Potato Crust
A French-style quiche featuring a delightful blend of tuna, fresh tomatoes, and a hint of mustard, creating a fantastic and healthy change for a Paleo-friendly breakfast or any meal.
Ingredients
- 2 medium sweet potatoes, peeled and sliced relatively thin
- 1 Tbs olive oil
- 3 Tbs mustard (Dijon recommended)
- One 5-ounce can of tuna, (e.g., Wild Planet for no soy products)
- ¼ cup canned coconut milk, or almond milk (unsweetened)
- 5 eggs
- ½ tsp salt
- ½ tsp pepper
- ½ tsp dried basil
- 1 cup sliced cherry tomatoes
Instructions
- Preheat the oven to 400 degrees Fahrenheit (200°C).
- Lay out the thinly sliced sweet potatoes in a 9-inch pie dish in a crust-like fashion, overlapping slightly. Brush some olive oil onto the sweet potato slices with a basting brush. Bake the sweet potato crust for 20 minutes.
- Once the 20 minutes is up, remove the sweet potato crust from the oven and let it cool for 5 minutes. Reduce the oven heat to 375 degrees Fahrenheit (190°C).
- Top the sweet potato crust with a layer of mustard. Evenly distribute 3 Tbs of mustard onto the crust and spread it around with a rubber spatula.
- Put the drained tuna into a bowl and mash it with a fork until it crumbles. Then, sprinkle the tuna on top of the mustard layer.
- In a medium bowl, whisk together the eggs, coconut milk (or almond milk), salt, pepper, and dried basil. Add the sliced cherry tomatoes and gently mix.
- Pour the egg and tomato mixture evenly on top of the tuna and mustard layers in the pie dish.
- Place the quiche into the preheated oven and bake for 40 minutes, or until the center is set and the top is golden. Let the quiche sit for 5-10 minutes before slicing and serving. Enjoy!
Nutrition
Calories: 288 kcal
Carbohydrates: 26 g
Protein: 17 g
Fat: 13 g
Saturated Fat: 6 g
Polyunsaturated Fat: 2 g
Monounsaturated Fat: 5 g
Trans Fat: 0.02 g
Cholesterol: 217 mg
Sodium: 639 mg
Potassium: 663 mg
Fiber: 5 g
Sugar: 7 g
Vitamin A: 16541 IU
Vitamin C: 12 mg
Calcium: 89 mg
Iron: 3 mg
Nutrition information is automatically calculated and should only be used as an approximation.
Additional Info
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