5-Ingredient Slow Cooker Flat Iron Steak with Barbecue Cherry Sauce

There’s something special about a recipe that delivers incredible flavor with almost no effort. This Slow Cooker Flat Iron Steak with Barbecue Cherry Sauce transforms an affordable cut of beef into a tender, juicy meal that tastes like it simmered all day with countless ingredients—even though it only takes five.

If you love easy slow cooker dinners that are perfect for busy weeknights, backyard gatherings, or family meals, this recipe deserves a spot in your rotation. The rich barbecue sauce, sweet cherry preserves, and splash of cola create a glossy, flavorful sauce that coats every bite of melt-in-your-mouth beef.

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Why You'll Love This Slow Cooker Flat Iron Steak Recipe

This recipe checks all the boxes for an easy family dinner:

Only 5 simple ingredients
Minimal prep time
Budget-friendly
Tender, juicy shredded beef
Perfect for sandwiches, mashed potatoes, or rice
Great for feeding a crowd
Excellent leftovers

Whether you're cooking for a summer cookout or a cozy Sunday dinner, this recipe always earns compliments.

What Does It Taste Like?

Every bite is the perfect balance of smoky, savory, and sweet.

The barbecue sauce creates a rich base while the cherry preserves add subtle fruity sweetness that doesn't overpower the beef. As the tomatoes slowly cook, they burst into the sauce, adding freshness and richness that makes every forkful irresistible.

The flat iron steak becomes fork-tender after hours in the slow cooker, soaking up every bit of the flavorful sauce.

Benefits of This Recipe

Great use for an affordable cut of beef
Hands-off slow cooker meal
Easy enough for beginners
Kid-friendly flavors
Perfect for meal prep
Freezer-friendly
Ideal for potlucks and parties

Ingredients

You'll only need five ingredients:

2–2½ pounds flat iron steak, trimmed
1½ cups thick barbecue sauce
¾ cup cherry preserves
1 cup regular cola
1½ cups tricolor cherry or grape tomatoes

Kitchen Tools You'll Need

5 to 6-quart slow cooker
Medium mixing bowl
Whisk
Tongs
Two forks for shredding
Cutting board
Measuring cups

Ingredient Substitutions & Additions

This recipe is easy to customize.

Substitute the Steak

Instead of flat iron steak, try:

Chuck roast
Beef brisket
Bottom round roast

Change the Sauce

You can use:

Honey barbecue sauce
Kansas City-style barbecue sauce
Spicy barbecue sauce

Swap the Fruit

Instead of cherry preserves, try:

Blackberry preserves
Raspberry jam
Apricot preserves

Extra Flavor Ideas

Add one or two of these:

Sliced onion
Minced garlic
Worcestershire sauce
Crushed red pepper flakes
Smoked paprika

How to Make Slow Cooker Flat Iron Steak

Step 1

Place the trimmed flat iron steak in the bottom of the slow cooker.

Step 2

Scatter the whole cherry tomatoes around the meat.

Step 3

In a bowl, whisk together:

Barbecue sauce
Cherry preserves
Cola

Mix until smooth.

Step 4

Pour the sauce evenly over the steak and tomatoes.

Step 5

Cover and cook:

LOW: 7–8 hours
HIGH: 3½–4 hours

The beef should shred easily with two forks.

Step 6

Transfer the steak to a cutting board and let it rest for 5 minutes.

Step 7

Shred the beef into bite-sized pieces.

Step 8

Return the shredded beef to the slow cooker and stir it into the sauce.

Step 9

Cook on Warm for another 10–15 minutes before serving.

What to Serve with Flat Iron Steak

This versatile beef pairs beautifully with:

Creamy mashed potatoes
Buttered egg noodles
Steamed white rice
Brioche buns
Potato rolls
Roasted potatoes
Macaroni salad
Coleslaw
Corn on the cob
Green beans
Roasted broccoli
Garden salad
Pickles
Quick-pickled onions

Tips for the Best Results

Use regular cola instead of diet for better caramelization.
Avoid lifting the slow cooker lid during cooking.
Let the beef rest before shredding.
Skim excess fat from the sauce if desired.
Mix the shredded beef back into the sauce before serving for maximum flavor.
Use a thick barbecue sauce for a richer consistency.

Storage Instructions

Refrigerator

Store leftovers in an airtight container for up to 4 days.

Freezer

Freeze for up to 3 months.

Reheating

Warm gently on the stovetop or microwave until the beef reaches 165°F (74°C).

General Information

Prep Time: 10 minutes

Cook Time: 7–8 hours (LOW)

Total Time: About 8 hours

Servings: 6

Difficulty: Easy

Frequently Asked Questions

Can I use another cut of beef?

Absolutely. Chuck roast, brisket, or bottom round all work well with similar cooking times.

Do I have to use cherry preserves?

No. Blackberry, raspberry, or apricot preserves all make delicious alternatives.

Can I make this ahead?

Yes. In fact, the flavors become even better the next day.

Can I freeze leftovers?

Yes. Store cooled beef in freezer-safe containers for up to three months.

Why is my beef tough?

It likely needs more cooking time. Tough connective tissue continues breaking down during slow cooking, eventually becoming tender.

Nutritional Information (Approximate Per Serving)

Calories: 465
Protein: 36g
Carbohydrates: 24g
Fat: 23g
Saturated Fat: 8g
Cholesterol: 110mg
Sodium: 890mg
Sugar: 18g
Fiber: 1g

Nutrition values are estimates and will vary depending on the brands of ingredients used.

Final Thoughts

This 5-Ingredient Slow Cooker Flat Iron Steak with Barbecue Cherry Sauce proves that you don't need a long ingredient list to create a memorable meal. The slow cooker does nearly all the work, transforming an economical cut of beef into tender, flavorful shredded meat coated in a smoky-sweet sauce that's perfect for sandwiches, mashed potatoes, or rice.

If you try this recipe, I'd love to hear how it turned out! Leave a review below and share your photos on Pinterest so others can see your delicious creation.

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