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Flank Steak Sandwiches with a Twist

Flank Steak Sandwiches with a Twist

A flavorful sandwich combines tender, juicy flank steak with fresh, zesty toppings for a delicious meal that’s easy to prepare. Perfect for a quick lunch or casual dinner, it’s sure to become a new favorite in your recipe rotation.

★★★★★5(1 reviews)Updated: Mar 31, 2026
Prep Time 10 min
Cook Time 4 hr 5 min
Total Time 4 hr 15 min
Difficulty Hard

Ingredients 0/11

Why This Recipe Is So Tasty

This sandwich combines the rich, bold flavors of marinated flank steak with fresh, unexpected ingredients. It’s a perfect balance of savory and tangy, making it a satisfying meal that feels both hearty and light. Plus, it’s easy to prepare and great for any occasion.

Cooking Tips You Should Know

- Let the steak rest after cooking to keep it juicy and tender.
- Slice the steak thinly against the grain to make it easier to chew.
- Marinate the steak for at least an hour, or overnight if possible, to enhance flavor.

Step 1

Season the flank steak generously with your favorite steak seasoning on both sides. Heat some olive oil in a skillet over medium heat until it’s shimmering, then add the steak. Sear it for about 5 minutes on each side until it’s nicely browned. Once done, set the steak aside for now.

Step 2

Mix together the brown sugar, chopped onion, diced red bell pepper, apple cider vinegar, Worcestershire sauce, tomato sauce, and tomato paste in your slow cooker. Stir until the brown sugar has completely dissolved. Nestle the seared flank steak into the sauce, making sure it’s well covered.

Step 3

Cover the slow cooker and cook on High for about 4 hours, or if you have more time, set it to Low and let it go for 8 hours. When the cooking time is up, take the steak out and shred it using two forks, or if you prefer, chop it up and stir it back into the sauce.

Step 4

Finally, toast your buns until they’re golden and slightly crispy. Pile the tender, saucy steak onto the buns, and enjoy!

Great Ways To Serve

Serve these sandwiches with a side of crispy fries or a fresh green salad. Adding pickles or a tangy slaw can give an extra crunch and brightness. They also pair well with a cold beer or iced tea for a casual meal.

How To Preserve This Dish

Store any leftover steak separately from the bread to prevent sogginess. Keep the steak in an airtight container in the fridge for up to three days. Reheat gently on low heat to maintain tenderness before assembling the sandwich again.
99
people cooked this recipe
LB
By Lucas Bennett
Food Writer
Lucas creates approachable recipes that balance flavor, simplicity, and reliability.

Heart icon Nutrition Facts

450 Calories
Fat
18 g
Carbs
35 g
Protein
35 g
Fiber
3 g
Sugar
8 g
Sodium
700 mg
Serving Size: 1 sandwich
*Nutrition values are estimates and may vary.

Reviews (1)

5 out of 5
★★★★★
1 Ratings
5 star
1
4 star
0
3 star
0
2 star
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1 star
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Rate This Recipe

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User Reviews

Jean-Pierre
★★★★★
Feb 17, 2026
I whipped this up after work and it came out tasty and filling. My kids asked for seconds, so that’s always a good sign!
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