If you’re looking for a restaurant-quality steak dinner that’s surprisingly easy to make at home, this Garlic Butter Flat Iron Steak is the recipe for you.
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Flat iron steak is one of the best value cuts of beef because it’s incredibly tender, rich in flavor, and cooks in just minutes. Finished with melted garlic butter and fresh herbs, this steak is juicy, flavorful, and perfect for busy weeknights or special occasions.
Serve it with mashed potatoes, roasted vegetables, or a fresh salad for a meal your family will ask for again and again.
Why You’ll Love This Recipe
- Ready in about 20 minutes
- Tender, juicy steak with incredible flavor
- Simple ingredients you probably already have most if them at hand
- Perfect for grilling or cooking in a cast iron skillet
- Great for date nights or family dinners
Ingredients
- iron steak
- Seasoning for thr steak kesalt pepper and Garlic powder. Make for a really nice flavor for the stake I'd your worries about the seasoning biting you can just mix it with thr butter but I think it turns out really nice thus way
- Olive oilI Garlic butter : going to bed butter like to use unsalted so it have more control so don't over salt, garlic, minced, parsley thyme (optional)
Instructions
Step 1: Prepare the Steak-Remove the steak from the refrigerator about 30 minutes before cooking. Pat dry with paper towels. This helps to make a good crust on the steak and letting it warm up means that it is closer to cook temp temp and won't have to wait for the middle to be warm up
Step 2: Heat the Pan-Heat a cast iron skillet over medium-high heat until very hot. Add the olive oil.oil will start to glison when the temp is reached it is kind if hard to explain but once you see it I think it makes sense
Step 3: SearPlace the steak in the skillet and cook for: Cooking time will very depending on thinkness but this is the guild line
- 4–5 minutes per side for medium-rare
- 5–6 minutes per side for medium
- Adjust cooking time depending on thickness.
Step 4: Make the Garlic Butter Reduce the heat to medium.Add the butter, garlic, parsley, and thyme to the skillet. Once the butter melts, spoon continuously over steak for 1–2 minutes.
Step 5: RestTransfer the steak to a cutting board and let it rest for 5–10 minutes.Slice against the grain and drizzle with the remaining garlic butter before serving.
Pro Tips
- Let the steak come to room temperature before cooking.
- Pat the steak dry to get a beautiful crust.
- Always slice against the grain for maximum tenderness.
- Use a meat thermometer for perfect doneness.
- Don’t skip resting the steak—it keeps the juices inside.
Steak Temperature Guide
- Rare: 120–125°F
- Medium Rare: 130–135°F
- Medium: 140–145°F
- Medium Well: 150–155°F
- Well Done: 160°F+
Variations
- Add Heat - Mix a pinch of red pepper flakes into the butter.
- Cheesy -Top with crumbled blue cheese after resting. I don’t due blue cheese so I have not tied it I know people like it
- Herb Butter- Add rosemary, thyme, or chives to the garlic butter.
- Grilled Version- Cook over high heat on the grill for the same amount of time, then finish with garlic butter.
What to Serve with Flat Iron Steak
- Garlic mashed potatoes
- Roasted asparagus
- Air fryer broccoli
- Caesar salad
- Rice pilaf
- Baked potatoes
- Homemade dinner rolls
- Macaroni and cheese
Storage and Reheating
Store leftovers in an airtight container for up to 4 days.
Warm gently in a skillet over low heat with a little butter, or microwave in 30-second intervals until heated through.
Frequently Asked Questions
Flat iron steak comes from the shoulder (chuck) and is known for being one of the most tender and flavorful cuts of beef.
Yes! When cooked properly and sliced against the grain.
Absolutely. Grill over high heat for about 4–5 minutes per side for medium-rare.
No. This cut has excellent natural flavor, but you can marinate it if you want even more tenderness and flavor.
Use an instant-read thermometer: See steak temperature guild
Resting allows the juices to redistribute, resulting in a juicier steak.
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Garlic Butter Flat Iron Steak
Ingredients
Method
- Remove the steak from the refrigerator ~ 30 minutes before cooking. Pat dry with paper towels.
- Season both sides generously with salt, pepper, and garlic powder.
- Heat a cast iron skillet over medium-high heat until very hot. Add the olive oil.
- Place the steak in the skillet and cook for:
- 4–5 minutes per side for medium-rare
- 5–6 minutes per side for medium
- Adjust cooking time depending on thickness.
- Reduce the heat to medium.
- Add the butter, garlic, parsley, and thyme to the skillet. Once the butter melts, spoon it continuously over the steak for 1–2 minutes.
- Transfer the steak to a cutting board and let it rest for 5–10 minutes.
- Slice against the grain and drizzle with the remaining garlic butter before serving.
- Serve and enjoy
Notes
- Let the steak come to room temperature before cooking.
- Pat the steak dry to get a beautiful crust.
- Always slice against the grain for maximum tenderness.
- Use a meat thermometer for perfect doneness.
- Don’t skip resting the steak—it keeps the juices inside.
- Rare: 120–125°F
- Medium Rare: 130–135°F
- Medium: 140–145°F
- Medium Well: 150–155°F
- Well Done: 160°F+
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