Slow Cooker Beef Flank Steak

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by Sophia

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As I walked through the kitchen, the rich aroma of soy sauce mingling with the sweet scent of caramelized garlic wrapped me in a warm, comforting embrace. I had just popped my Slow Cooker Beef Flank Steak into the pot, and already I knew that dinner was going to be something truly special. This dish is perfect for those busy weeknights when you crave a satisfying meal that feels gourmet without the fuss.

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Imagine effortlessly transforming a humble piece of flank steak into a tender, flavor-packed masterpiece with just a few simple ingredients. The combination of soy sauce, brown sugar, and fresh veggies makes every bite irresistible, and the slow cooker does all the heavy lifting while you kick back and unwind. Whether it’s for a cozy date night or impressing your friends at a potluck, this dish packs a punch, ensuring everyone goes home satisfied. Ready to dive into this culinary adventure? Let’s get started!

Why You'll Love This Slow Cooker Beef Flank Steak

  • This recipe is incredibly easy to prepare, requiring just 15 minutes of hands-on time before the slow cooker takes over.
  • The flavor profile is outstanding, with a perfect balance of savory soy sauce and sweetness from brown sugar that creates a mouthwatering dish.
  • You’ll appreciate its versatility as it pairs wonderfully with various sides, making it ideal for any occasion.
  • Plus, the visual appeal of vibrant bell peppers and fresh cilantro adds a beautiful touch to your dinner table.
  • This dish is perfect for feeding a crowd, ensuring that everyone leaves happy and satisfied.
  • Enjoy a hassle-free, gourmet meal that impresses without the stress.

Slow Cooker Beef Flank Steak Ingredients

Get ready to savor this mouthwatering dish!

For the Marinade

  • Soy sauce – provides a savory umami flavor that enhances the beef.
  • Garlic – infuses the dish with aromatic depth and richness.
  • Brown sugar – caramelizes during cooking to add a lovely sweet touch.
  • Olive oil – helps to keep the beef moist and tender.
  • Black pepper – adds a warm spice that complements the other flavors.

For the Main Dish

  • Beef flank steak – the star of the show, perfect for slow cooking until tender.
  • Onion – adds sweetness and depth, caramelizing beautifully as it cooks.
  • Bell peppers – provide a colorful crunch and fresh flavor to balance the dish.
  • Beef broth – enhances moisture and boosts the beefy taste of the dish.

For Garnish

  • Fresh cilantro – brightens the dish with a pop of color and a hint of freshness.
  • Lime wedges – offer a zesty kick when squeezed over the dish before serving.

This Slow Cooker Beef Flank Steak is not only a delicious main course but also a beautiful centerpiece for your dinner table!

How to Make Slow Cooker Beef Flank Steak

  1. Prepare the beef flank steak by placing it in the slow cooker. You want to make sure it’s centered so that the flavors can envelop the meat evenly.

  2. Mix the marinade in a bowl by combining the soy sauce, minced garlic, brown sugar, olive oil, and black pepper. Whisk until well blended, creating a fragrant marinade.

  3. Pour the marinade over the flank steak in the slow cooker, ensuring that the meat is fully coated for maximum flavor.

  4. Add the sliced onion and bell peppers on top of the beef. This will not only add taste but also create beautiful layers of color.

  5. Pour in the beef broth, surrounding the steak with liquid to keep it moist during the cooking process.

  6. Cover the slow cooker and set it to cook on low for 4 hours. You’ll know it’s ready when the beef is fork-tender and infused with savory goodness.

  7. Garnish with fresh cilantro and serve with lime wedges on the side to add that zesty finish right before enjoying!

Optional: Serve with fluffy rice or warm tortillas for a scrumptious meal.

Exact quantities are listed in the recipe card below.

Make Ahead Options

These Slow Cooker Beef Flank Steak preparations are perfect for busy home cooks looking to save time during hectic weekdays! You can marinate the flank steak up to 24 hours in advance; simply mix together the soy sauce, garlic, brown sugar, olive oil, and black pepper, then pour it over the meat in a resealable bag and refrigerate. Additionally, chop the onions and bell peppers a day ahead and store them in airtight containers in the fridge. When you’re ready to serve, just layer the marinated steak with the prepped vegetables in your slow cooker, pour in the beef broth, and follow the remaining steps. This way, you’ll have a delicious meal waiting with minimal effort, all while keeping the meat tender and full of flavor!

What to Serve with Slow Cooker Beef Flank Steak?

Transform your fantastic meal into an unforgettable feast with these delightful pairings.

  • Fluffy Jasmine Rice: The light, airy texture of jasmine rice soaks up the rich flavors, making every bite heavenly.

  • Roasted Garlic Mashed Potatoes: Creamy and buttery with a hint of garlic, these mashed potatoes add comfort and richness alongside the flank steak.

  • Crunchy Coleslaw: A refreshing crunch from cabbage and carrots provides a bright contrast to the savory meat, enhancing each bite.

  • Garlic Butter Green Beans: Tender green beans sautéed in garlic butter create a vibrant, colorful, and flavorful side that complements the dish.

  • Savory Cornbread: This warm, slightly sweet bread is perfect for mopping up the flavorful juices of the beef, adding a touch of Southern charm.

  • Zesty Lime Rice: A bright and tangy twist on regular rice, lime-infused grains work wonderfully with the meal’s flavors and add a pop of color.

  • Cilantro-Lime Quinoa: Light and nutrient-rich, quinoa dressed with cilantro and lime adds a nutty flavor and a fun texture contrast.

  • Spicy Pickled Vegetables: A small side of spicy pickles provides a tangy kick, cutting through the richness of the beef with every bite.

These pairings elevate your Slow Cooker Beef Flank Steak into a delightful dining experience!

Slow Cooker Beef Flank Steak Variations

Feel free to make this dish uniquely yours with a few simple tweaks that add complexity and surprise!

  • Herb-Infused: Substitute fresh herbs like rosemary or thyme for cilantro to deepen the flavor profile.

  • Smoky Twist: Add a teaspoon of smoked paprika to the marinade for a delightful smoky depth that dances on the palate.

  • Pineapple Kick: Incorporate crushed pineapple into the marinade. The sweetness complements the flavors and adds a tropical flair.

  • Spicy Upgrade: Add sliced jalapeños or a tablespoon of chili paste for a spicy punch that enhances every bite’s excitement.

  • Vegetarian Option: Swap beef for jackfruit. Pressure cook the jackfruit, then follow the same steps for a delicious plant-based alternative.

  • Insider’s Recipe: Mix in a tablespoon of Worcestershire sauce with the marinade for a boost of umami that tantalizes the taste buds.

  • Caramelized Sweetness: Replace brown sugar with maple syrup for a deeper, earthy sweetness that pairs well with savory notes.

  • Citrus Burst: Squeeze fresh orange juice into the marinade for a zesty brightness that balances the dish’s richness beautifully.

Let your culinary creativity flow! These variations ensure each feast can be a new adventure in flavor.

How to Store and Freeze Slow Cooker Beef Flank Steak

  • Fridge: Store leftovers in an airtight container for up to 3 days. Reheat on the stovetop or microwave, adding a splash of beef broth to keep it moist.

  • Freezer: For longer storage, freeze portions in freezer-safe bags or containers for up to 3 months. Thaw overnight in the fridge before reheating.

  • Reheating: Gently reheat in the microwave or on the stovetop, adding a little broth or water to maintain tenderness. Enjoy your Slow Cooker Beef Flank Steak just like the first time!

Chef's Helpful Tips

  • When making Slow Cooker Beef Flank Steak, ensure that the flank steak is fully coated in the marinade to enhance flavor penetration.
  • Avoid overcooking by checking the tenderness after 4 hours, as even slow cookers can vary slightly in timing.
  • For a richer flavor, allow the marinade to sit with the steak in the refrigerator for at least two hours before cooking, or even overnight if time allows.
  • Keep the slow cooker covered during cooking to retain moisture and heat effectively, which results in a perfectly tender steak.

Slow Cooker Beef Flank Steak Recipe FAQs

What is the best way to select flank steak?
Absolutely! When selecting flank steak, look for cuts that have a bright, deep red color with minimal to no dark spots. The meat should be firm to the touch and slightly marbled with fat for tenderness. Avoid pieces that look dry or have excessive sinew, as these can lead to a tougher texture when cooked.

How should I store leftover Slow Cooker Beef Flank Steak?
After enjoying your meal, store leftovers in an airtight container in the refrigerator for up to 3 days. To reheat, simply warm it on the stovetop over low heat or pop it in the microwave, adding a splash of beef broth or water to keep it moist and prevent drying out.

Can I freeze Slow Cooker Beef Flank Steak?
Very! For longer preservation, you can freeze your delicious leftovers. Place them in freezer-safe bags or airtight containers, ensuring to remove as much air as possible to prevent freezer burn. Your meal will be good for up to 3 months! Just remember to thaw it overnight in the refrigerator before reheating.

How can I troubleshoot if my flank steak is tough?
If your Slow Cooker Beef Flank Steak turns out tough, fear not! This can occur if it’s overcooked or if the cut had too much connective tissue. To fix this, return the meat to the slow cooker with a bit of beef broth and let it cook on low for an additional hour to break down the fibers. If time allows, slicing the beef thinly against the grain after cooking can also help with tenderness.

Are there any dietary considerations for this recipe?
Absolutely! While this dish is hearty and filling, keep in mind the soy sauce contains gluten. To make this recipe gluten-free, you can substitute soy sauce with a gluten-free variety like tamari. Always double-check the labels if you have allergies or restrictions, and if making for pets, do avoid giving them anything seasoned, especially with garlic or onion, as these can be harmful to them.

Is there a recommended side dish to serve with this steak?
You can definitely get creative! I often recommend serving this Slow Cooker Beef Flank Steak with fluffy rice, warm tortillas, or even a fresh salad. Roasted vegetables or mashed potatoes are also delicious companions, adding balance and flavor to your meal!

Slow Cooker Beef Flank Steak

Slow Cooker Beef Flank Steak

A tender and flavor-packed Slow Cooker Beef Flank Steak recipe, perfect for busy weeknights.
Prep Time 15 minutes
Cook Time 4 hours
Total Time 4 hours 15 minutes
Servings: 4 servings
Course: Dinner Recipes
Cuisine: American
Calories: 350

Ingredients
  

For the Marinade
  • 1/2 cup soy sauce
  • 4 cloves garlic minced
  • 1/4 cup brown sugar
  • 2 tablespoons olive oil
  • 1/2 teaspoon black pepper
For the Main Dish
  • 2 pounds beef flank steak
  • 1 medium onion sliced
  • 2 cups bell peppers sliced
  • 1 cup beef broth
For Garnish
  • 1/4 cup fresh cilantro chopped
  • 1 medium lime cut into wedges

Equipment

  • Slow Cooker

Method
 

How to Make
  1. Prepare the beef flank steak by placing it in the slow cooker.
  2. Mix the marinade in a bowl by combining the soy sauce, minced garlic, brown sugar, olive oil, and black pepper.
  3. Pour the marinade over the flank steak in the slow cooker.
  4. Add the sliced onion and bell peppers on top of the beef.
  5. Pour in the beef broth, surrounding the steak with liquid.
  6. Cover the slow cooker and set it to cook on low for 4 hours.
  7. Garnish with fresh cilantro and serve with lime wedges.

Nutrition

Serving: 1servingCalories: 350kcalCarbohydrates: 10gProtein: 50gFat: 15gSaturated Fat: 4gPolyunsaturated Fat: 0.5gMonounsaturated Fat: 9gCholesterol: 120mgSodium: 800mgPotassium: 800mgFiber: 1gSugar: 6gVitamin A: 500IUVitamin C: 30mgCalcium: 30mgIron: 3mg

Notes

For added flavor, marinate the steak for at least 2 hours in the refrigerator before cooking.

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