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Tostadas de Ceviche de Sierra Mazatleco
Created by
Mazatlan's signature ceviche of finely minced sierra mackerel cured in lime and bound with finely grated carrot, mounded on crisp tostadas and dressed at the table with Salsa Huichol, Maggi, and lime.
Appetizers & Snacks
Mexican
Quick Meal
Picnic
Outdoor Dining
30 min
Active Time
0 min cook•3 hr 30 min total
Yield6 servings (about 12 tostadas)
This is a Sinaloa dish. More specifically, it is from Mazatlan, the Pacific port city where the sierra boats come in at dawn and the marisquerias open by ten in the morning. If you order ceviche de sierra anywhere on the malecon, this is what arrives: a fine pink-white hash of cured fish bound with grated carrot, mounded high on a tostada, with Salsa Huichol and a slice of avocado on top.
The carrot is the tell. Outsiders who have never eaten ceviche in Mazatlan see grated carrot in a ceviche recipe and assume it is a stretch ingredient, something to make the fish go further. They are wrong. The carrot is structural. Finely grated, it disappears into the cured fish and gives the mixture body, a faint sweetness against the lime, and the soft texture that makes a Mazatlan ceviche unmistakable. Use the small holes of the box grater. Use a food processor and you have ruined it.
Sierra is an oily Pacific mackerel, firmer and more flavorful than tilapia or sea bass, and it cures into something unique under lime. Two hours minimum. The fish has to turn opaque all the way through. Then you squeeze it dry, because Mazatlan ceviche is mounded on a tostada, not served in a cup, and a wet ceviche slides off the shell.
I ate this for the first time on the malecon de Olas Altas, sitting on a plastic chair across from a senora who had been working the same marisqueria for thirty-one years. She would not give me the proportions for the carrot. She told me to come back the next day. I came back. Three days later, she wrote it on a napkin. Cada estado, su propia cocina. Sinaloa knows what it is doing.
Ceviche traditions along Mexico's Pacific coast share roots with the broader Latin American practice of curing raw fish in citrus, a technique that flourished after the Spanish introduction of limes from Asia in the 16th century joined the existing pre-Columbian practice of curing seafood in acidic native fruits. Mazatlan's distinctive style, built on sierra mackerel rather than the white fish or shrimp favored in Acapulco or Sinaloa's interior, developed in the mid-20th century alongside the city's rise as Mexico's largest Pacific commercial fishing port. The grated carrot, often misunderstood by outsiders as filler, is a regional signature documented in Mazatlan marisquerias since at least the 1950s and serves both as textural binder and as a subtle counterweight to the oily intensity of the sierra.
The technique, the tradition, and the story behind every dish.
Discover Culinary ExplorerIngredients
fresh sierra mackerel fillets
Quantity
1 1/2 pounds
skinned and pin-boned
fresh lime juice
Quantity
1 cup (about 12 to 14 Mexican limes)
kosher salt
Quantity
1 teaspoon, plus more to taste
carrots
Quantity
2 medium
peeled and finely grated on the small holes of a box grater
Roma tomatoes
Quantity
3
seeded and finely diced
white onion
Quantity
1/2 medium
finely diced
fresh cilantro
Quantity
1/2 cup
finely chopped
fresh chile serrano
Quantity
2
finely minced (seeds in for heat)
dried Mexican oregano
Quantity
1 tablespoon
crumbled between your fingers
freshly ground black pepper
Quantity
1/4 teaspoon
corn tostadas
Quantity
12
ripe avocados
Quantity
2
sliced
Salsa Huichol or Salsa Valentina (optional)
Quantity
for serving
Maggi sauce (optional)
Quantity
for serving
lime halves (optional)
Quantity
for serving
| Ingredient | Quantity |
|---|---|
| fresh sierra mackerel filletsskinned and pin-boned | 1 1/2 pounds |
| fresh lime juice | 1 cup (about 12 to 14 Mexican limes) |
| kosher salt | 1 teaspoon, plus more to taste |
| carrotspeeled and finely grated on the small holes of a box grater | 2 medium |
| Roma tomatoesseeded and finely diced | 3 |
| white onionfinely diced | 1/2 medium |
| fresh cilantrofinely chopped | 1/2 cup |
| fresh chile serranofinely minced (seeds in for heat) | 2 |
| dried Mexican oreganocrumbled between your fingers | 1 tablespoon |
| freshly ground black pepper | 1/4 teaspoon |
| corn tostadas | 12 |
| ripe avocadossliced | 2 |
| Salsa Huichol or Salsa Valentina (optional) | for serving |
| Maggi sauce (optional) | for serving |
| lime halves (optional) | for serving |
Equipment Needed
- •Sharp chef's knife for mincing the fish
- •Fish tweezers for pin bones
- •Box grater with small holes
- •Glass or ceramic mixing bowl (never metal)
- •Fine-mesh sieve for draining
Instructions
- 1
Prepare the sierra
Lay the sierra fillets flat on a clean cutting board. Run your fingers down the length to find any pin bones and pull them out with tweezers. Sierra has a row of fine bones that hide near the lateral line. Skip this and your guests will find them. Now mince the fish very finely with a sharp knife. You want it almost like a coarse hash, not chunks. This is the Mazatlan cut. The fine mince is what lets the lime work fast and what gives the ceviche its body when it binds with the carrot.
Sierra is an oily fish and it must be pristine. If it smells like anything other than clean ocean, do not use it. Ask your fishmonger when it came in. If they cannot tell you, find another fishmonger. - 2
Cure in lime
Transfer the minced sierra to a glass or ceramic bowl. Never metal. The acid reacts with metal and the ceviche turns gray. Pour the lime juice over the fish and add the salt. Stir gently. The fish should be submerged. Cover and refrigerate for two to three hours. The flesh will turn from translucent gray to opaque white. Sierra is a fatty fish and it takes longer than shrimp or sea bass to cure properly. Two hours minimum. Do not rush it.
- 3
Drain and squeeze
When the fish has turned opaque, drain it in a fine-mesh sieve. Press gently with the back of a spoon to remove most of the lime juice. Then take small handfuls and squeeze them lightly between your palms over the sieve. You want the fish damp, not soaking. The Mazatlan cooks call this 'aprietalo.' If you skip this step, the carrot will release water and the ceviche turns into soup.
- 4
Grate the carrot
Peel the carrots and grate them on the small holes of a box grater, not the large ones. The small holes give you a fine, almost fluffy texture that disappears into the fish and binds the whole mixture. This is the tell. If you bite into a Mazatlan ceviche de sierra and you cannot see the carrot but you can taste a faint sweetness and feel a softness in the bite, that is the carrot doing its work. Coarse grated carrot reads as carrot. Fine grated carrot reads as the dish.
Do not use a food processor. It bruises the carrot and turns it watery. The box grater is the right tool. No me vengas con atajos. - 5
Build the ceviche
In a clean glass bowl, combine the squeezed sierra, the grated carrot, diced tomato, white onion, cilantro, minced serrano, oregano, and black pepper. Mix gently with a wooden spoon. Taste for salt now. The cured fish has already taken on lime, so go easy at first and adjust. The mixture should look unified, with the carrot and fish almost indistinguishable, flecks of red and green throughout. Refrigerate for at least 20 minutes before serving so the flavors marry.
- 6
Mount the tostadas
At the table, mound a generous spoonful of ceviche onto each tostada. Lay two or three slices of avocado on top. Hand each guest a bottle of Salsa Huichol and a bottle of Maggi and a lime half. The Mazatlan way is to dress your own tostada at the table: a few drops of hot sauce, a few drops of Maggi, a squeeze of lime. Eat immediately. The tostada softens fast under the wet ceviche and the dish is best when the shell still cracks under your teeth. Asi se hace y punto.
Chef Tips
- •Sierra mackerel is the right fish. Not tuna, not tilapia, not sea bass. Sierra has the oil content and firm flake that makes Mazatlan ceviche what it is. If you cannot find sierra, Spanish mackerel is the closest substitute. Anything leaner is a different dish.
- •Mexican limes, the small green ones the markets call limones, give a sharper, more aromatic cure than Persian limes. If your grocery only carries Persian limes, use them, but you may need a little more. Bottled lime juice is not lime juice. It is industrial sour water.
- •The Salsa Huichol and Maggi at the table are not optional in Mazatlan. They are how this dish is eaten. Skip them and you have a ceviche, but you do not have a Mazatlan tostada de sierra.
- •If the sierra is not pristine, do not make this dish today. Mexican grandmothers cook with what the mercado is selling that morning, not with what looks good on a Pinterest board. Make aguachile with shrimp instead and come back to the sierra when the fish is right.
Advance Preparation
- •The sierra can be cured in lime up to four hours ahead. Drain and squeeze it, then refrigerate the drained fish in a sealed container until you are ready to assemble.
- •The vegetables (tomato, onion, cilantro, carrot) can be prepped two hours ahead but should not be combined with the fish until 20 to 30 minutes before serving. Past that, the carrot weeps and the ceviche turns watery.
- •Do not assemble the tostadas in advance. The shell softens within minutes of contact with the wet ceviche. Mount them at the table, one by one, as people eat.
Frequently Asked Questions
Nutrition Information
1 serving (about 355g)
Calories
400 calories
Total Fat
17 g
Saturated Fat
3 g
Trans Fat
0 g
Unsaturated Fat
13 g
Cholesterol
80 mg
Sodium
520 mg
Total Carbohydrates
36 g
Dietary Fiber
10 g
Sugars
4 g
Protein
26 g
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