1-First Step: Make the cilantro lime cabbage slaw

Add 12 ounces shredded cabbage to a medium bowl. Sprinkle in 1/2 teaspoon kosher salt, then add 1/4 cup thinly sliced red onion, 1/2 cup chopped cilantro, 1/4 to 1/2 jalapeno, 1/4 cup fresh lime juice, and 2 tablespoons olive oil. Toss everything together until the cabbage looks lightly coated.

Let the slaw sit while you prepare the rest of the tacos. This short rest time softens the cabbage just a little and helps the flavors blend. If you like a brighter slaw, add a splash more lime. If it tastes too sharp, add a pinch more salt.

2-Second Step: Mix the seasoning for the fish or tofu

In a small bowl, combine 1.5 teaspoons chili powder, 1 teaspoon cumin, 1 teaspoon coriander, 1 teaspoon granulated garlic, 3/4 teaspoon kosher salt, 1/2 teaspoon sugar if using, and 1/4 teaspoon chipotle powder. This spice mix works for both white fish and extra firm tofu.

Pat the fish dry first so the seasoning sticks well. If you are using tofu, press it a bit if needed, then cut it into pieces or leave it whole depending on how you want to serve the tacos. The sugar is optional, but it does help with browning and a nice golden crust.

3-Third Step: Season the protein on both sides

Rub the spice blend over both sides of the fish or tofu. Make sure it is coated evenly, but do not pack on so much seasoning that it clumps. For fish tacos with slaw, a balanced seasoning layer gives the best flavor without covering up the fresh cabbage.

If you are using fish, choose a mild white fish like tilapia, mahi-mahi, red snapper, halibut, black cod, grouper, or flounder. These all work well because they cook quickly and keep the tacos light. If you are making the vegan version, extra firm tofu is the easiest swap.

4-Fourth Step: Cook the fish or tofu

Cook the fish by grilling, pan-searing, or baking until it turns flaky and opaque. If grilling, use medium-high heat and cook just long enough for the fish to release easily from the grate. If pan-searing, use a lightly oiled skillet over medium heat and cook until browned and cooked through. If baking, cook at 400°F until the fish reaches 145°F internally and flakes easily.

For tofu, pan-sear in a skillet until the outside is golden and crisp, or bake it until the edges firm up nicely. Either way, a little browning makes the tacos much more satisfying. Finish the cooked protein with a squeeze of lime juice for a bright, fresh pop.

5-Fifth Step: Warm the tortillas

Warm 8 to 12 five-inch tortillas on the grill or in a dry skillet until they are soft and a little bubbly. This step matters more than people think, because warm tortillas fold better and taste better. If you are using a blend of flour and corn tortillas, they should still warm quickly and hold together nicely.

Keep the tortillas wrapped in a clean towel so they stay warm while you finish assembling. Small tortillas work best here since they let the slaw and protein stay in balance. If you like a little extra structure, double up on corn tortillas.

6-Final Step: Assemble and serve

Build each taco with a layer of fish or tofu, a generous scoop of slaw, and your choice of sauce. Top with avocado slices, cotija cheese, and fresh cilantro. Serve with lime wedges on the side so everyone can add extra citrus at the table.

These tacos are best served right away while the tortillas are warm and the slaw is crisp. If you are feeding a group, set everything out buffet-style and let everyone build their own. That makes dinner feel easy, and it is great for picky eaters too.