This Salmon Spinach Rigatoni is one of those dinners that feels both comforting and a little celebratory. I first put this combination together on a busy weeknight when I had a leftover salmon fillet and a bag of baby spinach in the fridge. The lemony yogurt sauce lifts the richness of the fish and pasta so the whole dish feels light but satisfying. It quickly became a favorite at my table because it blends simple pantry staples into something special that tastes like you spent more time on it than you did.

The texture play is what keeps me coming back: flaky, oven-baked salmon chunks against toothsome rigatoni and barely-wilted baby spinach, all coated in a silky tangy sauce made from Greek yogurt, lemon, and a whisper of red pepper flakes. It’s the kind of dinner that gets eaten mid-week but would be proud to serve to guests. I often make a double batch of pasta water because that extra starchy liquid makes the sauce glossy and clings perfectly to every tube of rigatoni.

Ingredients

• 1 pound salmon fillet with skin: Choose a center-cut fillet for consistent thickness; Atlantic or Sockeye are both good. Look for bright flesh and a fresh smell. I prefer buying from a reliable fishmonger and asking them to leave the skin on for easy baking.
• 12 ounces rigatoni (or favorite pasta): Rigatoni’s ridges and hollow cylinder capture the sauce beautifully. Use semolina-based dried pasta for best bite. Brown rice or gluten-free shapes work if you need a substitute.
• 4 cups baby spinach leaves: Fresh baby spinach wilts quickly and contributes color and nutrients without overwhelming the dish. If you only have mature spinach, remove thick stems and chop roughly.
• 1/2 cup Greek yogurt: Full-fat or 2% works best for creaminess; nonfat can be slightly tangier and thinner. I like Fage or Chobani for a reliable texture.
• 2 teaspoons dried dill (or 1 tablespoon fresh): Dill pairs beautifully with salmon; dried is fine, but use fresh if you can for a brighter finish.
• 1/2 teaspoon salt and 1/4 teaspoon black pepper: Adjust to taste—remember the pasta water will also season the sauce as you use it.
• Zest of one lemon and fresh lemon juice: Zest brightens the fillet and adds aromatic oils; use the juice of half a lemon (about 1 tablespoon) in the sauce, more to taste.
• 1/4 teaspoon red pepper flakes: Just enough to give a soft warm note; increase if you like more heat.

Instructions

Preheat and season the salmon: Preheat your oven to 400°F. Line a baking sheet with parchment. Place the salmon skin-side down and pat it dry with paper towels. Rub with 1 teaspoon of dried dill (or scatter fresh dill), the lemon zest, 1/4 teaspoon salt and 1/8 teaspoon black pepper. Let rest 5 minutes so the flavors settle. Bake the salmon: Bake the fish at 400°F for 7 to 10 minutes depending on thickness—check at 7 minutes. The fillet is done when the flesh turns opaque and flakes easily with a fork; internal temperature should read about 125–130°F if you like it slightly medium, or 140°F for fully done. Remove from the oven, let cool a minute, then slide a spatula between the skin and flesh to remove the skin. Break the fish into large chunks with a fork or your hands and set aside. Cook the pasta: Bring a large pot of salted water to a boil and cook the rigatoni 8 to 10 minutes until al dente. Before draining, reserve 1 cup of the starchy pasta water—this is essential for adjusting the sauce consistency. Drain the pasta quickly and return it to the still-warm pot over low heat. Wilt spinach and make the sauce: Add the 4 cups of baby spinach to the warm pasta and toss until just wilted, about 1 minute. Remove the pot from direct heat and stir in 1/2 cup Greek yogurt, the juice of half a lemon (about 1 tablespoon), the remaining 1 teaspoon dried dill, 1/4 teaspoon red pepper flakes, and the remaining pinch of salt and pepper. If the sauce seems too thick, add reserved pasta water a few tablespoons at a time until the sauce is glossy and coats the pasta. Combine with salmon and serve: Gently fold the salmon chunks into the sauced pasta, trying not to mash the fish—use a soft turn-and-lift motion. Taste and adjust seasoning, adding more lemon juice or salt if needed. Serve immediately with an extra sprinkle of dill, a grind of black pepper, and an optional lemon wedge.

Storage Tips

Cool leftovers quickly and store in an airtight container in the refrigerator for up to 3 days. If you plan to freeze, remove the spinach (it loses texture) and freeze the pasta with salmon in meal-sized portions for up to 3 months. Thaw overnight in the refrigerator and reheat gently in a skillet over low heat with a splash of reserved or fresh water to restore creaminess. Avoid microwave reheating at high power, which can dry the salmon and split the sauce.

Ingredient Substitutions

If you don’t have rigatoni, use penne, ziti, or any ridged tube pasta that holds sauce. For a gluten-free version, pick a corn or rice-based pasta judged by texture. Swap the Greek yogurt for crème fraîche or mascarpone (use the same volume) for a richer, less tangy sauce. If you’re out of salmon, cooked shrimp or roasted white fish work well; adjust baking time for smaller proteins.

Serving Suggestions

Serve with a simple green salad dressed with lemon vinaigrette and crusty bread to sop up any leftover sauce. Garnish with additional lemon zest and chopped fresh dill or parsley for color. For a dinner party, portion into shallow bowls and add a scattering of toasted pine nuts or a few shavings of Pecorino Romano for salt and texture contrast.

Cultural Background

This preparation blends Mediterranean ideas—olive-bright lemon, fresh herbs—with Northern European affinity for dill and fish. The use of yogurt as a lightening agent nods to Eastern Mediterranean and Middle Eastern culinary tradition, where strained yogurts often finish hot dishes. It’s a modern, pantry-friendly approach rather than a strict regional classic, and that flexibility is part of its appeal.

Seasonal Adaptations

In spring and summer, add halved cherry tomatoes, fresh basil, or peas for sweetness and color. In fall and winter, swap baby spinach for braised Swiss chard or kale and finish with a knob of butter for extra comfort. The lemon can be replaced with a splash of white wine for a subtly different acidity profile.

Meal Prep Tips

For make-ahead weeknight dinners, cook the pasta and keep it al dente, store the baked salmon separately, and mix the yogurt sauce shortly before serving. Rewarm pasta with a few tablespoons of water or stock, fold in spinach to wilt, then add the yogurt sauce and flaked salmon just to warm through. Packing fish and pasta separately avoids sogginess and keeps textures fresh.

Pulling this meal together is quick, adaptable, and reliably tasty—perfect for busy evenings and small gatherings alike. Give it a try and feel free to make it your own with whatever herbs and pantry items you love.