Nothing beats the bold, nostalgic flavors of Old-School Tex-Mex Tacos—crispy shells packed with juicy, perfectly seasoned beef and topped with all your favorites. This recipe brings classic taco night vibes with a flavorful homemade beef filling, rich with smoky spices and a hint of lime.

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Cuisine: Tex-Mex
Prep Time: 20 minutes
Cooking Time: 25 minutes
Total Time: 45 minutes
Servings: 6 to 8

Why You’ll Love Making It

• Classic Tex-Mex Flavor – A perfectly seasoned beef filling with smoky, savory, and slightly tangy notes.
• Beginner-Friendly – Simple, step-by-step instructions make it easy to follow.
• Make-Ahead Friendly – The beef filling can be prepared in advance and stored for quick meals.
• Customizable – Use your favorite toppings or swap the beef for turkey, chicken, or a plant-based alternative.
• Perfect for Entertaining – A guaranteed crowd-pleaser for taco nights and gatherings.

Ingredients

• 2 pounds (900g) 90% lean ground beef – The right balance of fat for a juicy, flavorful filling.
• ½ teaspoon baking soda – Helps keep the beef tender and enhances browning.
• 1 teaspoon salt – Brings out the flavors of the meat.
• 1½ tablespoons vegetable oil – Helps evenly cook the aromatics and meat.
• 1 large yellow onion, finely chopped – Adds a mild sweetness and depth.
• 5 cloves garlic, minced – Gives a rich, aromatic boost.
• ¼ cup (25g) chili powder – The backbone of the Tex-Mex flavor.
• 2 teaspoons ground cumin – Warm and earthy with a hint of citrus.
• 2 teaspoons ground coriander – Slightly floral and citrusy, enhancing the overall flavor.
• 1 teaspoon smoked paprika – Adds a smoky depth to the beef.
• 1 teaspoon dried oregano – Gives a mild herbal contrast.
• ½ teaspoon cayenne pepper – Provides subtle heat (adjust to taste).
• 1 (8-oz / 227g) can tomato sauce – Adds richness and balances the spices.
• 1 cup (240ml) water – Prevents the beef from drying out and helps blend the flavors.
• 1 teaspoon sugar – Balances acidity and enhances the spices.
• 2 tablespoons lime juice (from 1 lime) – Adds a fresh, tangy finish.
• 16 crispy taco shells – Warm according to package instructions for the best texture.
• Shredded Mexican blend cheese – Melts perfectly over the beef.
• Shredded iceberg lettuce – Adds crunch and freshness.
• Diced tomatoes – A juicy, refreshing topping.
• Sour cream – Balances the heat and adds creaminess.
• Diced avocados – A rich, buttery addition.
• Diced onions – For an extra pop of flavor.
• Chopped fresh cilantro – Brightens the tacos with a fresh, citrusy taste.

Instructions

Step 1: Prepare the Beef

In a medium bowl, combine the ground beef, baking soda, and salt. Mix well and let it sit for at least 15 minutes (or up to 1 hour). This step helps keep the beef tender and enhances its flavor when cooked.

Step 2: Sauté the Aromatics

Heat vegetable oil in a large nonstick skillet over medium heat. Once shimmering, add the chopped onion and cook for 4 minutes, stirring occasionally, until softened. Add the minced garlic and cook for 1 more minute, ensuring it becomes fragrant but doesn’t brown.

Step 3: Cook the Beef and Spices

Add the prepared ground beef to the skillet, breaking it up with a wooden spoon. Stir in the chili powder, cumin, coriander, smoked paprika, oregano, and cayenne pepper, ensuring the meat is evenly coated in the spices. Cook, stirring frequently, for 5 minutes or until the beef is no longer pink.

Step 4: Simmer the Filling

Pour in the tomato sauce, water, sugar, and lime juice. Stir to combine and bring the mixture to a gentle simmer. Reduce heat to medium-low and cook uncovered for 10 to 15 minutes, stirring occasionally. The sauce should thicken, but the beef should remain moist and saucy. Taste and adjust seasoning as needed.

Step 5: Prepare the Taco Shells

While the beef simmers, warm the taco shells according to the package instructions. This step ensures they stay crispy and don’t crack when filled.

Step 6: Assemble the Tacos

Using a wide, shallow spoon, divide the beef mixture evenly among the taco shells. Arrange 2 to 3 tacos per plate. Serve immediately with your choice of toppings.

FAQs

Can I make this recipe with ground turkey or chicken?
Absolutely! Swap the ground beef for ground turkey or chicken. Keep in mind that leaner meats may need a bit more oil to prevent drying out. You can also add an extra tablespoon of tomato sauce for added moisture.

How can I make these tacos spicier?
To increase the heat level, double the cayenne pepper, add ½ teaspoon crushed red pepper flakes, or stir in diced jalapeños while cooking the onion. You can also serve with spicy salsa or hot sauce on the side.