Name: Crispy Fish Tacos (Beer Battered)
Prep time: 15 min
Cook time: 15 min
Total time: 30 min
Ingredients: 2 lb flounder or tilapia fillets; 1 1/3 cups all-purpose flour; 1 tsp baking powder; 1/2 tsp salt; 1/2 tsp garlic powder; 1/2 tsp onion powder; 1/2 tsp paprika; 12 fl oz beer, or sparkling water; 1 tbsp yellow mustard; Cooking oil, for frying; 1/2 head cabbage, thinly sliced; 1/2 small red onion, thinly sliced; Juice of 2 limes; 1 tbsp white vinegar; 1 tsp salt; 1/2 tsp cracked black pepper; 1/2 tsp dried Mexican oregano; 1 cup sour cream; 1/3 cup mayonnaise; 2 tbsp chipotle sauce; Corn tortillas

Can one 12-ounce beer really coat 2 pounds of fish? For these fish tacos it does, with a little left in the bowl.

That’s the whole batter for crispy fish tacos: flour, a spoon of baking powder, four seasonings, a spoon of yellow mustard, and the beer. It comes together in one bowl in a couple of minutes.

The step I give my full attention is the fry. I fry each piece twice, and I watch the color, not the clock.

The cabbage and the sauce get made first. By the time the last piece of fish comes out of the oil, they’re cold, tangy, and waiting.

Prep: 30 minutes · Cook: fry in batches until deep golden (no source gives a fry time) · Total: depends on how many batches your pot holds · Serves: 6 (2 lb of battered fish)

↓ Jump to the recipe

How do you get crispy fish tacos at home?

Season the batter itself, then fry the fish twice. A light beer batter with baking powder puffs as it hits the oil, and a second trip into the hot oil firms the crust. Pull each piece when it’s deep golden and the fish inside flakes white.

The Method, in Plain English

Baking powder plus the bubbles in the beer give the batter lift, so it fries up airy and crackly. Sparkling water works as the swap and brings the same bubbles without alcohol.
The seasonings live in the batter, so the crust tastes like something on its own. Both Simply Mamá Cooks and Rachel’s Step by Step put salt, garlic powder, onion powder, and paprika straight into the flour.
A second fry drives off moisture the first one leaves behind, and the crust stays crisp under a spoon of cold sauce.

I lift a piece after the second fry and tap it with the tongs. It should sound hollow and feel stiff.

Why I Keep Coming Back to This One

Every part of the batter is pantry stuff, and the beer can be swapped for sparkling water.
The cabbage and sauce are made ahead, so frying is the only job at the stove.
The sauce is mostly sour cream, so it’s cool and tangy against hot, crackly fish.
Mild white fish keeps it friendly for a whole table.

What You’ll Need

2 lb flounder or tilapia fillets
1 1/3 cups all-purpose flour
1 tsp baking powder
1/2 tsp salt
1/2 tsp garlic powder
1/2 tsp onion powder
1/2 tsp paprika
12 fl oz beer, or sparkling water
1 tbsp yellow mustard
Cooking oil, for frying
1/2 head cabbage, thinly sliced
1/2 small red onion, thinly sliced
Juice of 2 limes
1 tbsp white vinegar
1 tsp salt
1/2 tsp cracked black pepper
1/2 tsp dried Mexican oregano
1 cup sour cream
1/3 cup mayonnaise
2 tbsp chipotle sauce
Corn tortillas

A Few Notes on the Ingredients

Pick a mild, flaky white fish. Simply Mamá Cooks reaches for flounder or tilapia, and Rachel’s Step by Step uses red snapper.

Thin fillets fry through faster, so the batter and the fish finish together.

The beer only needs to be cold and fizzy. A light one keeps the batter mild, and sparkling water does the same job in a house where nobody wants beer at dinner.

For the sauce, chipotle in adobo gives the smoke. The adobo liquid spooned straight from a can of chipotle peppers works here too.

The cup of sour cream to a third cup of mayo keeps it thick enough to sit on top of the fish instead of soaking in.

How to Make Fish Tacos

Pickle the cabbage. Toss the sliced cabbage and red onion in a bowl with the lime juice, vinegar, salt, pepper, and oregano. Set it in the fridge. The sources don’t give a soaking time, so I make it first and let it sit while everything else happens, until the onion turns soft and bright.
Stir the sauce. Whisk the sour cream, mayonnaise, and chipotle sauce until it’s one even pale orange color with no white streaks. Cover it and keep it cold until the tacos are built.
Cut the fish. Cut the fillets into pieces sized to lie across a tortilla. Neither source says how to cut it, so let your tortillas decide. Keep the pieces close in size so they finish frying together.
Mix the batter. Whisk the flour, baking powder, salt, garlic powder, onion powder, and paprika in a wide bowl. Pour in the beer and add the mustard, then whisk until the batter is smooth and thick enough to coat the back of a spoon.
Heat the oil. Warm the oil in a heavy pot. No source gives a temperature, so test it with a drop of batter. When the drop sizzles hard and floats right back up, the oil is ready.
First fry. Dip a few pieces of fish in the batter, let the extra drip off, and lower them into the oil away from you. Fry until the coating sets and turns light golden, then lift them onto a rack. Don’t crowd the pot.
Second fry. Once every piece has had its first fry, put them back in the oil in batches. Fry until the crust is deep golden and crackly and the fish inside is opaque white and flakes apart with a fork.
Build the tacos. Lay slaw on each corn tortilla, add a piece of fish, and spoon the cold sauce over the top. Serve right away, while the crust still crackles when you bite.

Tips From My Kitchen

Keep the fried pieces on a rack, not a paper towel. Steam trapped underneath softens the bottom of the crust.
If the batter feels too thick to drip, it’s okay. Let each piece hang over the bowl for a few seconds before it goes in the oil.
I don’t measure the chipotle after the first 2 tablespoons. I taste, and I usually want a little more.
The sauce is made with mayonnaise and sour cream, so don’t leave it out on the table for more than 2 hours.
Fry the fish right before you eat. It’s at its crispest in the first few minutes out of the oil.

Storage and Make-Ahead

None of the sources cover storage, so here’s how I handle it. The pickled cabbage and the sauce keep covered in the fridge, each in its own container, and both are fine to make earlier in the day.

Fried fish is a different story. The crust softens as it sits, and it’s never as crackly the next day, so I fry only what we’ll eat.

If you do have leftover pieces, keep them in the fridge and reheat them in a hot oven on a rack, not in the microwave. They won’t match the fresh fry, but the crust firms back up.

Rounding Out the Meal

Extra lime wedges, because a squeeze right before the bite wakes up the batter.
A pot of seasoned black beans, which round out the plate and soak up any sauce that drips.
Sliced avocado on top, for something soft and buttery against the crunch.
Tortilla chips with the leftover sauce for dipping.

Tools You’ll Need

A heavy pot or Dutch oven, since its thick walls hold the oil heat steadier between batches.
A wire rack set over a sheet pan, so fried fish drains without steaming.
A spider or slotted spoon for lowering and lifting fish without splashing.
A wide shallow bowl for the batter, so whole pieces dip in one move.
A sharp chef’s knife for slicing the cabbage thin.

Questions I Get About Fish Tacos

Can I make fish tacos without beer? Yes. Simply Mamá Cooks lists sparkling water as the swap, same amount, and it brings the same bubbles to the batter.

What oil temperature do I need for fish tacos? Neither source gives one. I go by a drop of batter: when it sizzles and floats right away, the oil is hot enough.

Why fry the fish twice? The first fry sets the batter and cooks the fish. The second one crisps the outside so it holds up under the sauce and slaw.

What kind of fish works for fish tacos? A mild, flaky white fish. Flounder, tilapia, and red snapper all show up in the sources.

More Recipes You’ll Like