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Slow-Cooker Shredded Beef Tacos Recipe for Weeknights

Tri tip slow-cooked in a sweet-and-spicy pineapple sriracha sauce becomes incredibly tender and flavorful, then shredded and piled into the best shredded beef tacos you’ll make in your slow cooker. These Tri Tip Tacos are wonderful topped with fresh diced pineapple and creamy avocado, or paired with grilled pineapple guacamole for a bright, tropical twist.

Leftovers are versatile: use the Mexican shredded beef for steak-and-egg breakfast scrambles, loaded nachos for game day, enchiladas, quesadillas, or more tacos throughout the week.

Shredded beef tacos topped with diced pineapple and avocado

Table of contents

  • Instructions
  • What cut of beef is best?
  • How to season the beef for tacos
  • Ways to serve the shredded beef
  • Storage and reheating
  • What to serve with the tacos

For big gatherings like a Super Bowl party, set up a “Make Your Own Taco Bar” with several slow-cooked shredded meats. Lined up side by side in crock pots, tri tip shredded beef, pulled pork and shredded chicken let guests build perfect tacos to their taste. This pineapple-sriracha shredded beef offers a balance of sweet, spicy and savory flavors that pairs beautifully with fresh toppings and classic Mexican sides.

Hand holding taco with shredded tri tip, topped with diced avocado and pineapple

Instructions

  1. Start with the vegetables. Place the diced red and green bell peppers and diced red onion in the bottom of a slow cooker.
  2. Season the tri tip. Mix the chili powder, ground cumin and paprika in a small bowl. Rub the spice blend evenly over a 2–3 pound trimmed tri tip and set it on top of the vegetables in the slow cooker.
  3. Prepare the sauce. Whisk together pineapple juice, sriracha, honey, soy sauce (or tamari for gluten-free) and crushed garlic in a medium bowl. Pour the sauce over the tri tip and vegetables.
  4. Slow-cook the beef. Cook on high for 6–8 hours or on low for 10–12 hours, until the meat is fork-tender and easily shreds. Note: Tri tip is a thick cut, so it benefits from the longer cooking time to break down connective tissue and become tender.
  5. Shred and serve. Remove the beef to a cutting board or shred it directly in the slow cooker using two forks (or meat claws). Toss the shredded beef with some of the cooking juices and the softened peppers and onions, then warm small corn tortillas and assemble tacos. Finish with diced pineapple, avocado, cilantro, pickled jalapeños or a squeeze of lime.
Mexican shredded beef in the slow cooker

What cut of beef is best?

Trimmed tri tip is an excellent choice for this shredded beef taco recipe. It’s relatively lean, affordable compared to similar cuts, and yields great texture when slow-cooked until tender. If you can’t find tri tip, swap in chuck roast, round roast or brisket—each will shred nicely after long, gentle cooking.

How to season the beef for tacos

This recipe uses a simple dry rub of chili powder, ground cumin and paprika to give the meat classic Mexican-inspired flavor. For a smokier profile, swap chili powder for chipotle powder and use smoked paprika. Alternatively, use a prepared taco seasoning blend for convenience and consistent flavor.

Ways to serve the shredded beef

  1. Soft tacos: Warm small corn or flour tortillas and fill them with shredded beef plus the cooked peppers and onions. Top with diced pineapple, avocado or pineapple salsa, cilantro and a squeeze of lime.
  2. Crispy tacos: Fill crunchy taco shells with shredded beef and add shredded cheddar or pepper jack, shredded lettuce and diced tomatoes.
  3. Nachos: Layer the beef over tortilla chips, sprinkle with cheese and bake until melted. Finish with jalapeños, sour cream and pico de gallo for a game-day favorite.
  4. Quesadillas: Add shredded beef and pepper jack cheese between tortillas, grill until golden and serve with guacamole or sour cream.
  5. Enchiladas: Use the shredded beef as a filling for enchiladas topped with your favorite enchilada sauce and cheese.
  6. Steak and eggs: Stir shredded beef and peppers into scrambled eggs, top with cheddar and avocado for a hearty breakfast.
  7. Burrito bowls: Serve the beef over rice or cauliflower rice with beans, salsa, guacamole and greens for an easy meal prep option.

With so many options, this slow-cooked tri tip becomes a versatile base for breakfasts, appetizers, lunches and dinners.

Storage and reheating

Store cooked shredded beef in an airtight container in the refrigerator for up to 5 days. Reheat gently to preserve moisture:

  • Microwave: Warm on high for about 2 minutes, stirring halfway through and adding a splash of sauce or water if needed.
  • Stovetop: Sauté the beef in a skillet over medium-high heat for 3–4 minutes until hot, adding a bit of sauce or broth to keep it from drying out.
  • Oven: Place beef in an oven-safe dish, add some of the cooking juices, cover with foil and heat at 400°F for 10–15 minutes until warmed through.
Three shredded tri tip tacos on plate with avocado

What to serve with the tacos

  • Mexican potatoes: Creamy, savory potatoes with a Mexican-inspired seasoning make a comforting side.
  • Creamy avocado salsa: A rich, tangy avocado-based salsa that doubles as a topping and a chip dip.
  • Mexican rice: Fluffy, well-seasoned rice similar to what you’d get at a restaurant.
  • Pico de gallo: Fresh tomato, onion and cilantro salsa that adds brightness to each bite.
  • Mexican street corn: Creamy, slightly spicy corn that complements the sweet heat of the pineapple-sriracha beef.
Shredded beef tacos in corn tortillas on plate with avocado and cilantro

Slow Cooker Shredded Beef Tacos

Tri tip slow-cooked in a sweet and spicy pineapple sriracha sauce, then shredded into tender, flavorful beef for tacos. Easy to prepare and perfect for parties or weeknight dinners.
Servings:
12 tacos
Prep Time:
15 minutes
Cook Time:
6–8 hours (high)
Total Time:
6–8 hours 15 minutes
Author:
Whitney Bond

Ingredients

  • 1 red bell pepper, large dice
  • 1 green bell pepper, large dice
  • 1 red onion, large dice
  • 1 tbsp chili powder
  • 1 tbsp ground cumin
  • 2 tsp paprika
  • 3 lb tri tip, trimmed
  • 1/4 cup sriracha
  • 2 cups pineapple juice
  • 1 tbsp honey
  • 2 tbsp soy sauce (use tamari for gluten-free)
  • 4 cloves garlic, crushed
  • 12 small corn tortillas

Optional Toppings

  • 2 avocados, diced
  • 1/2 cup pickled jalapeños
  • 1/2 cup diced pineapple
  • 1/4 cup fresh cilantro

Instructions

  1. Add the diced bell peppers and red onion to the bottom of a slow cooker set to high.
  2. Combine the chili powder, cumin and paprika in a small bowl.
  3. Rub the spice mixture over the tri tip, then place the tri tip on top of the vegetables in the slow cooker.
  4. In a medium bowl, whisk together the pineapple juice, sriracha, honey, soy sauce and crushed garlic. Pour the sauce over the tri tip.
  5. Cook on high for 6–8 hours, or on low for 10–12 hours, until the beef is fork-tender.
  6. Shred the meat in the slow cooker using two forks or meat claws, and mix with the cooked peppers, onions and some cooking sauce.
  7. Spoon the shredded beef into warm tortillas, add a drizzle of sauce and your choice of toppings.

Notes

  • Nutritional information does not include optional toppings.
  • Substitute a chuck roast, round roast or brisket if tri tip isn’t available.
  • Cooked shredded beef will keep up to 5 days refrigerated.

Nutrition Facts

Calories: 278 kcal
Carbohydrates: 21 g
Protein: 25 g
Fat: 9 g
Saturated Fat: 3 g
Cholesterol: 73 mg
Sodium: 385 mg
Potassium: 563 mg
Fiber: 2 g
Sugar: 6 g
Vitamin A: 750 IU
Vitamin C: 29.3 mg
Calcium: 66 mg
Iron: 2.9 mg