Soups & Stews
This 7 Mares seafood soup recipe delivers the iconic crispy celery crowns you crave over a deeply aromatic tomato broth brimming with seafood. The technique transforms simple celery stems into golden, crunchy edible garnishes that become the star of every spoonful.
What makes this recipe special is the balance—rich tomato base meets delicate seafood without overpowering the delicate flavors.
The secret lies in the crispy celery crowns, which require precise timing and high heat to achieve that signature crunch. While the seafood simmers gently in a spiced tomato broth, the celery transforms from ordinary vegetable to restaurant-worthy garnish.
This method ensures each bite delivers both texture and flavor in perfect harmony.
What you'll achieve is a seafood soup that's both comforting and impressive—crispy celery crowns resting atop a velvety broth filled with tender seafood. The combination of textures and flavors creates a dish that's equally satisfying as a weeknight meal or special occasion centerpiece.
Perfect for seafood lovers who appreciate both tradition and a little culinary flair, this recipe delivers restaurant-quality results at home. The crispy celery crowns add an unexpected element that transforms ordinary soup into something extraordinary.
Ingredients for 7 mares seafood soup
Rich tomato base meets delicate seafood and crispy celery crowns—this is where texture and flavor collide.
| Ingredient | Amount | Notes |
|---|---|---|
| Celery Stems 🧅 | 1 lb | Thick, firm, cut into 3-inch pieces |
| Seafood Stock 🐟 | 4 cups | Homemade or high-quality store-bought |
| San Marzano Tomato Paste 🍅 | ½ cup | Smooth, no sugar added |
| White Wine 🍷 | ½ cup | Dry, such as Sauvignon Blanc |
| Garlic Cloves 🧄 | 4 cloves | Minced, not pressed |
| Shallots 🧅 | 2 whole | Finely chopped, or substitute 2 tbsp onion |
| Extra-Virgin Olive Oil 🫒 | ¼ cup | Light, fruity variety |
| Bay Leaves 🌿 | 2 whole | Fresh preferred, dried works |
| Dried Oregano 🍃 | 1 tsp | Mediterranean blend preferred |
| Red Pepper Flakes 🌶️ | ½ tsp | Adjust for heat preference |
| Seafood Mix 🦪 | 1 lb | Shrimp, mussels, clams, scallops |
| Lemon 🍋 | 1 whole | Zest and juice, organic preferred |
| Fresh Parsley 🌿 | ¼ cup | Chopped, for garnish |
| Salt 🧂 | 1 ½ tsp | Diamond Crystal kosher preferred |
| Black Pepper 🌶️ | ½ tsp | Freshly ground |
The celery stems are non-negotiable. Look for thick, firm stalks—Costco or local farmers markets often have the best quality. Avoid wilted or discolored pieces. For the seafood mix, Whole Foods or your fishmonger will have the freshest selection. Shrimp should be bright pink or white, mussels closed with no cracks, and scallops opaque. The San Marzano tomato paste is key here—store-bought jars from Italy deliver the authentic sweetness. If you can't find it, any smooth, no-sugar-added paste will work, but you'll notice the difference.
No white wine? Seafood stock with a splash of lemon juice mimics the acidity. Fresh shallots add depth—substitute 2 tbsp finely chopped onion if needed. For the seafood, frozen works in a pinch—just thaw in cold water. The celery crowns require patience: cut stems into 3-inch pieces, blanch for 30 seconds, then fry in olive oil until golden. Don't rush this step—the texture makes or breaks the dish. If you're short on time, you can bake them at 400°F for 10-12 minutes, but frying delivers that signature crunch.
Store the seafood stock in the fridge for up to 5 days or freeze for 3 months. The tomato paste keeps indefinitely in the pantry. For the celery crowns, make them fresh—they lose crispness within 2 hours. If prepping ahead, blanch the celery and store in ice water until ready to fry. The finished soup reheats beautifully—keep it covered and warm for up to 3 days. Garnish with fresh parsley just before serving to preserve color and brightness.
Why You'll Love This Recipe
- Same recipe, different vibes: dump it in a bowl with crusty bread for a lazy Tuesday, or serve it in a fancy pitcher at your next gathering. The rich stock and bold flavors make it feel special without trying too hard.
- One-Pot Magic: I swear by this soup—just toss everything into one pot, and the celery and garlic infuse the seafood stock with layers of flavor while you stir. No chopping mountains of veggies or juggling multiple pans here.
- Wine-Infused Depth: That splash of white wine isn’t just for show—it cuts through the richness of the San Marzano tomato paste, brightening the whole thing like a secret ingredient. Honestly, I’d argue it’s the star of the show.
- Weeknight to Dinner Party: Same recipe, different vibes: dump it in a bowl with crusty bread for a lazy Tuesday, or serve it in a fancy pitcher at your next gathering. The rich stock and bold flavors make it feel special without trying too hard.
Step-by-step instructions for crispy celery crowns over rich tomato seafood soup
Transform simple ingredients into a restaurant-worthy seafood soup with crispy celery crowns and deep, aromatic flavors.
Prepare the Celery Crowns for Crispy Perfection
Start by cutting the 1 lb celery stems into 3-inch pieces, ensuring you keep the leaves attached to form natural crowns. This is where the magic happens—those crispy celery crowns will become the signature element of your soup. Pat them dry thoroughly with paper towels to remove any moisture, which is crucial for achieving that perfect crunch.
Heat 0.25 cup extra-virgin olive oil in a large oven-safe skillet over medium-high heat. Once the oil shimmers, carefully add the celery crowns in a single layer, making sure they don't overlap. Cook undisturbed for 5-6 minutes until the edges turn golden brown and crispy. Flip each crown and cook another 4-5 minutes until evenly browned. Remove from the skillet and set aside on a wire rack—keeping them elevated prevents them from steaming and losing crispness.
Build the Rich Tomato Base
In the same skillet (with the rendered oil still inside), reduce the heat to medium and add the 2 whole finely chopped shallots. Sauté for 3-4 minutes until softened and translucent. Add the 4 cloves minced garlic and cook for another 30 seconds until fragrant—this step ensures the aromatics form the flavor foundation of your soup.
Stir in the 0.5 cup San Marzano tomato paste and cook for 2 minutes, allowing it to deepen in color. Pour in the 0.5 cup dry white wine and scrape up any browned bits from the bottom of the pan. Let the wine reduce by half, which takes about 3 minutes. Add the 4 cups seafood stock, 1.5 tsp salt, 0.5 tsp black pepper, 1 tsp dried oregano, 0.5 tsp red pepper flakes, and 2 whole bay leaves. Bring to a gentle simmer and let it cook uncovered for 15 minutes to develop a rich, concentrated flavor.
Add Seafood and Finish the Soup
While the base simmers, prepare the 1 lb seafood mix by rinsing shrimp under cold water and wiping clams/mussels with a damp cloth to remove any debris. Add the seafood to the simmering soup and cook for 3-5 minutes—shrimp should turn opaque, and clams/mussels should open. Discard any seafood that doesn't open during cooking. Remove the 2 bay leaves before proceeding.
Zest and juice the 1 whole lemon (about 1 tablespoon juice), then stir it into the soup along with the 0.25 cup chopped fresh parsley. Taste and adjust seasoning if needed—this is where you balance the acidity from the lemon with the richness of the tomato base. The soup should be vibrant, briny, and perfectly seasoned.
Assemble and Serve with Crispy Celery Crowns
Return the crispy celery crowns to the skillet with the soup and warm through for 1-2 minutes—just enough to slightly soften the celery while maintaining that coveted crunch. Ladle the soup into bowls, ensuring each serving gets a generous portion of celery crowns floating on top. Garnish with an extra sprinkle of fresh parsley and a final crack of black pepper for presentation.
Serve immediately with crusty bread to soak up every last drop of that rich, aromatic broth. The contrast between the crispy celery crowns and the velvety seafood soup creates a textural and flavor experience that's both comforting and sophisticated—exactly what makes this dish special.
Pro Tips For Making 7 Mares Seafood Soup
- SWEEAT NOT SOFTEN CELERY: Celery stems hold onto moisture like a miser with their last dollar—give them a rough chop (no need for perfection) and a quick 3-minute blanch in boiling water before adding to the pot. This jumpstarts flavor extraction and keeps your soup from tasting like you’re eating celery sticks instead of savory depth.
- SAUTÉ GARLIC LOW AND SLOW: I learned this the hard way—crisping garlic in this soup turns it bitter faster than a bad date. Cook it over medium-low heat until just fragrant (about 2 minutes), stirring constantly. The goal is aroma, not color. If your pan’s too hot, you’re already losing.
- DEGLAZE WITH WINE IMMEDIATELY: Don’t let that white wine sit in the pot like a forgotten guest. As soon as you add it, scrape up every browned bit from the tomato paste and garlic with a wooden spoon—this is where the magic lives. Let it simmer for 30 seconds before adding stock, or you’ll dilute the punch.
- USE STOCK ROOM TEMPERATURE: Cold stock shocks the pot and can stall flavor development. Warm it first (even just 5 minutes in a microwave) so it integrates smoothly. I skip this and end up with a soup that tastes like it’s playing catch-up the whole time. (Your future self will notice.)
Pro cooking tips for great 7 mares seafood soup
Celery Crown Timing
The crispy celery crowns are the showstopper, so nail the timing: cut them into 3-inch pieces and blanch for exactly 30 seconds in boiling water before frying. This step removes bitterness and preps them for that perfect crunch.
Fry in 0.25 cup extra-virgin olive oil over medium-high heat for 5-6 minutes per side—don't rush! The crowns should be golden brown and crispy, not soggy. 🔥
Tomato Base Development
Let the tomato base simmer uncovered for 15 minutes to develop its rich, concentrated flavor. This is where the San Marzano tomato paste and white wine meld together—don’t skip this step!
Use a large, heavy-bottomed pot to prevent scorching, and stir occasionally to avoid sticking. The goal is a deep, velvety texture that balances the seafood’s brininess. 🍅
Seafood Cooking Order
Add delicate seafood like shrimp and scallops first (they cook fastest), followed by mussels and clams (they need the longest time). Cook for no more than 5 minutes total—overcooking turns shrimp rubbery and clams tough.
Discard any seafood that doesn’t open during cooking (a sign it’s bad). The broth should be just below a simmer to keep the seafood tender. 🦪
Lemon Zest Timing
Add the lemon zest and juice in the final 2 minutes of cooking to preserve its bright flavor. Zesting the lemon just before use ensures maximum freshness—1 whole lemon gives you about 1 tablespoon juice and a vibrant aroma.
Stir gently to distribute the citrus notes evenly without breaking up the seafood. 🍋
Crispy Crown Reheating
If you’re prepping ahead, store the celery crowns separately and reheat them in a dry skillet over medium heat for 1-2 minutes before adding to the soup.
This restores their crispness without making them soggy. Alternatively, bake them at 400°F for 5-7 minutes if you’re short on time. Just avoid microwaving—they’ll turn rubbery. ✨
Broth Seasoning Balance
Taste the broth before adding seafood—it should be rich but not salty. Adjust with salt, black pepper, or a splash of lemon juice as needed. The red pepper flakes and oregano add depth, but don’t overdo it; the seafood’s natural flavor should shine.
A pinch of sugar (½ tsp) can also help balance acidity if the broth tastes sharp. 💡
Nutrition facts
Frequently asked questions
Why are the celery crowns so important in this seafood soup?
The crispy celery crowns add a unique textural contrast that makes this soup special! They provide a satisfying crunch against the velvety tomato broth, while their caramelized edges enhance the overall flavor profile. This technique transforms a simple vegetable into the star garnish that elevates the dish from ordinary to extraordinary.
Can I substitute white wine with something else in the tomato base?
Yes! If you don't have white wine, use 0.5 cup seafood stock with 1 tablespoon lemon juice for similar acidity. For a non-alcoholic option, try apple cider vinegar (1 tablespoon) mixed with 0.5 cup water. The key is maintaining that bright, slightly acidic note that balances the richness of the tomato base.
What's the best way to store leftovers to keep the celery crowns crispy?
Store the soup and celery crowns separately. Keep the soup in an airtight container in the fridge for up to 3 days. Reheat the soup gently, then crisp the celery crowns fresh in a dry skillet for 1-2 minutes before serving. For longer storage, freeze the soup (without crowns) for up to 3 months and reheat the crowns separately when ready to eat.
How do I know when the seafood is properly cooked?
Shrimp should turn opaque pink and curl slightly (2-3 minutes of cooking). Clams and mussels should open completely (3-5 minutes); discard any that stay closed. Scallops should be just opaque in the center (2 minutes). The broth should gently bubble but not boil vigorously to prevent overcooking.
Can I make this soup vegetarian?
While this recipe is designed for seafood, you can adapt it! Replace the seafood with white beans or chickpeas for protein. For a more substantial vegetarian version, add mushrooms and artichoke hearts to the broth. The tomato base and crispy celery crowns will still shine as the star elements.