Miso-glazed tinned cod crostini prove that pantry staples can absolutely hold their own at a dinner party. A tin of good cod gets patted dry, brushed with a sweet white miso glaze, and broiled until the edges caramelize and the fish turns golden. Piled on crispy toasted bread with a few bright toppings, it’s the kind of appetizer that makes guests assume you spent an hour on it. The whole thing takes 15 minutes from pantry to plate.

Why You’ll Love This Miso Glazed Tinned Cod Crostini

• Pantry to plate in 15 minutes — tinned cod and miso are shelf-stable staples you probably already have.
• Restaurant-quality result — the miso glaze caramelizes under the broiler and looks stunning.
• Impressive with minimal effort — guests will assume this took way longer than it did.
• Adaptable to any tinned fish — sardines, mackerel, or salmon all work with the same glaze.

Ingredients

The quality of your tinned cod matters more here than in most recipes because the fish is front and center. Look for cod packed in olive oil rather than water or brine — the oil keeps the fish moist and adds flavor. Brands like Fishwife, Bela, and Wild Planet source their fish carefully and the texture is noticeably better. White miso (shiro miso) is the mildest, sweetest variety and works best for this glaze. You'll find it in the refrigerated aisle near the tofu.

• 2 tins (about 5 oz each) tinned cod (in olive oil) (look for brands like Fishwife, Bela, or Wild Planet for the best quality)
• 2 tbsp white miso paste (shiro miso)
• 1 tbsp mirin (or substitute 1 tsp sugar dissolved in 1 tbsp warm water)
• 1 tsp rice vinegar
• 1, sliced into ½-inch rounds baguette
• for brushing bread extra-virgin olive oil
• 2 tbsp, finely sliced fresh chives or scallion greens
• 1 tsp sesame seeds (white or black, or a mix)
• 1, for zesting and juicing lemon
• to taste flaky sea salt

Equipment

• Sheet pan or broiler-safe baking sheet
• Pastry brush for the miso glaze
• A rimmed baking sheet — prevents the bread slices from sliding off
• Paper towels for patting the fish dry

How to Make Miso Glazed Tinned Cod Crostini

Step 1 — Toast the crostini (4 minutes)

Preheat your broiler on high. Arrange the baguette slices on a sheet pan in a single layer. Brush both sides lightly with olive oil and sprinkle with a pinch of flaky salt. Broil for 2 minutes per side, watching carefully — they go from golden to burnt in about 15 seconds. Remove and set aside. The crostini should be golden and crisp on the outside but still slightly tender in the center.

Step 2 — Make the miso glaze (1 minute)

In a small bowl, whisk together the white miso paste, mirin, and rice vinegar until smooth. The consistency should be like thick honey — spreadable but not runny. If it’s too thick, add mirin a teaspoon at a time. Taste it: it should be sweet, savory, and slightly tangy all at once.

Step 3 — Prep and glaze the cod (2 minutes)

Drain the tinned cod and gently pat the pieces dry with paper towels. Handle it carefully — good tinned cod is tender and flakes easily. Lay the cod pieces on the sheet pan (you can reuse the same one) and brush the top of each piece generously with the miso glaze. Use about half the glaze now; reserve the rest for after broiling.

Step 4 — Broil until caramelized (3-4 minutes)

Slide the pan under the broiler, about 4-5 inches from the heat source. Broil for 3-4 minutes until the miso glaze is bubbling and the edges of the fish are deeply caramelized with dark golden spots. The sugar in the mirin and miso will char slightly in places — that’s exactly what you want. Remove from the oven and brush with the remaining glaze.

Step 5 — Assemble and serve (2 minutes)

Place a piece of miso-glazed cod on each crostini. Top with a few slices of fresh chives, a sprinkle of sesame seeds, a few drops of lemon juice, and a tiny bit of lemon zest. Arrange on a serving board and serve immediately while the fish is still warm and the bread is still crisp.

Pro Tips

Pat the fish very dry. Excess moisture prevents the miso glaze from caramelizing and instead steams the fish. Thirty seconds with paper towels makes a noticeable difference.

Watch the broiler like a hawk. Miso glaze goes from caramelized to burnt in under a minute. Set a timer for 3 minutes and check every 30 seconds after that.

Use white miso, not red. Red miso is saltier and more assertive — it overpowers the delicate fish. White miso’s mild sweetness is what makes this glaze work.

Make extra glaze. The same miso-mirin mixture is incredible on roasted eggplant, grilled salmon, or even spread on toast. Double the batch and keep it in the fridge for up to 2 weeks. It also makes a quick salad dressing when whisked with rice vinegar and a splash of sesame oil.

Variations & Substitutions

Sardine Version

Swap the cod for tinned sardines in olive oil. The stronger flavor of sardines stands up beautifully to the miso glaze. Lay whole sardines on the crostini and top with pickled red onion for contrast.

Spicy Miso Crostini

Add ½ teaspoon of sriracha or gochugaru (Korean chili flakes) to the miso glaze. The heat against the sweet-savory glaze is addictive. Finish with a few slices of fresh jalapeno.

Salmon Crostini

Tinned salmon works just as well as cod and adds a richer flavor. Break the salmon into large flakes, glaze, and broil for just 2-3 minutes since salmon is more delicate.

Storage & Reheating

Best served immediately. Crostini lose their crispness as they sit, especially under the weight of the fish. Assemble right before serving.

Miso glaze keeps well. Store leftover glaze in a small jar in the fridge for up to 2 weeks. Use it on roasted vegetables, grilled fish, or as a dip for raw vegetables.

Tinned fish: If you open tinned fish and don’t use it all, transfer the leftovers to an airtight container (not the tin) and refrigerate for up to 2 days.

What to Serve With Miso Glazed Tinned Cod Crostini

These miso-glazed tinned cod crostini are a natural starter before our hoisin garlic noodles — the Asian-inspired flavors in both dishes complement each other without being redundant. The light, crispy crostini lead perfectly into the saucy, rich noodles.

For a full appetizer spread, pair these crostini with our Korean vegetable pancakes. Both are finger-food friendly and share an umami-forward flavor profile that ties the spread together.

Serve these alongside a simple green salad and a glass of cold sake or dry white wine. They also work well as a starter before our roast pork loin for a dinner party that feels carefully planned but came together in under an hour.

Nutrition Information

Per crostini (1 of 12): approximately 95 calories, 8g protein, 10g carbohydrates, 3g fat, 0g fiber. Values are estimates and depend on the specific tinned fish brand and bread used.

Frequently Asked Questions

Can I use fresh cod instead of tinned?

You can, but the recipe would be entirely different — fresh cod needs to be seasoned, seared, and cooked through, which takes 10-15 minutes. The beauty of tinned cod is that it’s already cooked and just needs to be glazed and broiled. Stick with tinned for this recipe.

What's the best tinned cod brand?

Fishwife and Bela are both excellent — they source from sustainable fisheries and pack in quality olive oil. Wild Planet is another reliable option. The Serious Eats tinned fish guide is a great reference for finding the best brands at your store. Avoid the cheapest store-brand tinned cod; the texture is often mushy.

Can I make the crostini ahead of time?

Yes. Toast the baguette slices up to 4 hours ahead and store them in a single layer on a wire rack (not stacked, or they’ll soften). Re-crisp them in a 350-degree oven for 2 minutes before assembling.

What if I don't have a broiler?

Use a toaster oven on its highest setting, or cook the glazed cod in a 450-degree oven for 5-6 minutes. You won’t get quite the same caramelization, but it still works. A kitchen torch is another option for finishing.

Is miso paste gluten-free?

White miso is traditionally made with soybeans, rice, and salt, and is usually gluten-free — but check the label. Some brands add barley (which contains gluten). If you need this to be strictly gluten-free, look for a brand that specifies gluten-free on the package.

These miso-glazed tinned cod crostini are proof that the best appetizers don’t require the most effort. If you make them for your next gathering, watch them disappear in about 90 seconds. Let us know in the comments what tinned fish you used — we are curious whether the sardine or salmon version wins. Save this recipe for your next dinner party.