Seafood Fra Diavolo Spin

By Emma
Certified Culinary Professional
Ingredients
- 3 tablespoons extra-virgin olive oil
- 1 medium yellow onion, chopped
- 4 cloves garlic, minced
- 1 1/2 cups tomato puree
- 28 ounces crushed fire-roasted tomatoes
- 1 teaspoon crushed red pepper flakes
- 1 tablespoon Italian seasoning mix
- 1 1/2 teaspoons sugar
- 2 tablespoons tomato paste
- 1/4 teaspoon baking soda
- 2 pounds mixed seafood (shrimp, scallops, calamari, clams, mussels)
- Salt to taste
- Freshly ground black pepper to taste
- Chopped fresh parsley, for garnish
- Grated Pecorino Romano or Parmesan cheese, for topping
- Twist: substitute half the tomato puree with roasted red pepper sauce for smoky flavor
About the ingredients
Method
- Heat olive oil in a heavy large pot over medium-high heat until shimmering. Toss in chopped onion. Stir often, watching it soften to translucent and just starting to brown on edges—takes about 7 minutes. That smell, sweet and savory, sets the base.
- Add minced garlic, stir for about 45 seconds until fragrant but not browned. Old mistake: burning garlic here turns bitter, so keep stirring.
- Pour in tomato puree and fire-roasted crushed tomatoes. A smoky undertone layers here if using roasted tomatoes. Stir in tomato paste; it thickens the sauce and adds umami punch. Add crushed red pepper flakes, Italian seasoning blend, and sugar to balance acidity.
- Lower heat to medium-low. Let the sauce bubble softly—not a rolling boil but consistent gentle bubbles breaking surface every few seconds. Simmer uncovered for about 22 minutes. Watch sauce thicken and deep red hue develop; stir occasionally but not constantly—heats uneven if neglected.
- Baking soda time. Sprinkle evenly over sauce. It fizzes and foams, neutralizing harsh acidity. Stir until fizzing stops, a sign the acid tempered. This trick avoids sour tomato taste that can ruin prolonged cooking.
- Add cooked seafood into sauce immediately. Cold or undercooked seafood in hot sauce cooks quickly but can toughen. Pre-cooked keeps tenderness intact; remember, fresh seafood cooks fast.
- Simmer together for another 5 minutes just enough for flavors to mingle. Sauce thickened, seafood warmed through, blend of spice and subtle sweetness achieved. Overcooking seafood here means rubbery calamari or mealy scallops—been there.
- Serve over your choice pasta. Long linguine or bucatini soak sauce best. Sprinkle freshly chopped parsley and a dusting of Pecorino or Parmesan shave for saltiness and color pop.
- If using, add twist ingredient (roasted red pepper sauce) before simmering for flavor complexity.
- If sauce seems too thick or starts sticking, splash warm water or seafood stock. Sauce should cling but not glue pasta.
- Common issues: burnt garlic (start over rather than risk bitterness), bland spice (add flakes gradually next time), tough seafood (pre-cook briefly or add last minute).
- Keep tasting—seasoning can hide in tomato layers. Adjust salt and pepper at end, not too early.
- Leftover sauce reinvigorates next day pasta or as marinara for bruschetta.
Cooking tips
Chef's notes
- 💡 Onion cooking phase critical. Heat oil medium-high till shimmer. Toss onion in. Stir often, watch edges just start browning lightly. Smell sweet caramel. Avoid dark browns; burns turn bitter fast. Can take 7 minutes, patient here. Stirring controls heat spots.
- 💡 Garlic timing matters. Add once onion softens. Stir 30-60 seconds max till fragrant, not brown. Burnt garlic ruins sauce with bitterness frozen in flavor. Keep moving spoon, smell changes signal ready. No shortcuts with fresh minced garlic; powder kills freshness.
- 💡 After tomato paste goes in, stir thoroughly. Clumps ruin texture. Add crushed tomatoes quickly. Sauce thickness must build gradually. Add crushed red pepper flakes carefully. Too early or too much flakes overpower spice balance. Sugar added last to soften acidity, not dull heat.
- 💡 Simmer slow, no roiling boil. Gentle bubbles breaking surface spaced. Timer isn’t exact. Visual cues of sauce thickening, edges dark red and slightly sticky tell progress. Stir occasionally but not constantly. Neglect risks uneven cooking and burnt spots under sauce.
- 💡 Baking soda addition signals reaction. Sprinkle evenly, expect fizz and foam. Stir gently till fizz stops. This tempers acidity, no leftover sour kick. Don’t overdo or sauce turns flat. Small fizzing sign you hit right acid balance. Cooking chemistry happens fast here.
- 💡 Seafood goes in last, preferably cooked. Raw seafood risks tough rubbery texture on long heat. Cold seafood into hot sauce cooks quickly but watch fish doneness visually; scallops opaque, clams open shells, shrimp curl pink. Keep heat low during seafood simmer.
- 💡 Adjust sauce thickness with warm water or seafood stock if it clings too much or starts sticking. Sauce must coat pasta well without gluey texture. Reheat leftovers with light stock for consistency. Sauce thickens in fridge but loosens on warming.
- 💡 Substitute half tomato puree with roasted red pepper sauce for smoky aroma and deeper color. Keeps sauce lively when tomatoes lack fire-roasted punch. If no roasted pepper sauce, add smoked paprika pinch but less than a chile’s heat.
- 💡 Use peeled yellow onions over white or red for natural sweetness without sharp bite. Garlic quantity adaptable to taste but fresh always; powders mute sharpness. Frozen seafood okay if thawed gently, drained well; moisture changes cooking timing slightly.
- 💡 Season late. Salt and pepper vanish in tomato layers early. Taste often near end. Burnt garlic means restart or risk grim bitterness. Spice balance adjusted incrementally next time. Seafood overcooked feels rubbery; cut simmer to bare minimum after addition.
Common questions
How to avoid bitter burnt garlic?
Stir constantly during garlic cooking. Don’t brown or leave still. Add only after onions soften. Use fresh minced garlic, powders change flavor profile. Burnt garlic taste lingers, tough to fix.
Can I use different seafood mix?
Yes. Shrimp and scallops tender, calamari quick cooks. Frozen seafood fine if thawed thoroughly. Fish chunks added last avoid breakdown. Cook raw shellfish until shells open. Adjust timing by seafood type carefully.
Why add baking soda to sauce?
Neutralizes tomato acidity fast. Watch for fizz and foam, that’s acid reacting. Stops sauce sour edge after long simmer. Too much flattens flavor. Sprinkle evenly, stir gently till fizz stops. It’s classic tomato chemistry.
How to store and reheat sauce?
Cool, refrigerate in sealed container up to 3 days. Leftover sauce thickens, thin with warm stock or water when reheating. Can freeze, thaw slowly. Reheat gently to keep seafood tender. Overheated reheated seafood rubbery, watch temperature.



