Let’s griddle a delicious cut of beef with many names including… Beef Loin… Flap Meat… and Top Sirloin. These tougher cuts of steak become juicy and tender with an easy marinade you’ll learn today. So let’s make this easy beef loin top sirloin recipe on the griddle…
Special thanks to Traeger Grills for providing Sip Bite Go with the Flatrock grill for review. All opinions are my own.
See how to cook top sirloin steak in the oven…
Follow Sip Bite Go on Instagram and TikTok for easy griddle cooking tips…
Why this griddled beef loin recipe is so good
- The flap steak marinade breaks down this tough cut of meat so it’s completely tender.
- Super flavorful and juicy.
- Prep seasoning steak in advance of a party, for a quick and easy BBQ menu main dish.
- Great griddle recipe for a crowd.
New to flat top cooking?
Scroll to the bottom of this post for step-by-step video instructions.
Ingredients
Here’s what you need to make this griddled steak recipe.
Cut of steak to griddle
2.5 LB Beef Loin…
Or similar cuts of beef called Flap Meat, or Top Sirloin steak, or Bottom Sirloin.
For the Marinade
- ⅓ cup Olive Oil
- ⅓ cup Soy Sauce
- 1 tbsp Red Wine Vinegar
- ½ medium Lemon, Fresh Juice,
- 1 tbsp Dijon Mustard,
- 2 tbsp Brown Sugar
- 1 tbsp Garlic, Fresh Minced
- ½ tsp Crushed Red Pepper
- ½ tsp Black Pepper, Ground
- 1 tsp Ginger
- 1 tbsp Cilantro, Fresh Chopped
For griddle cooking and topping
- 2 tbsp butter, salted (or use oil as desired)
- 1 tbsp cilantro, fresh chopped
See popular smoked food recipes on Sip Bite Go…
How to cook beef loin top sirloin on a griddle flattop
Now I’ll walk you through it…
You can also cook this on a hot cast iron skillet inside!
Quick look at griddle cooking beef loin
- Make marinade for griddled beef loin.
- Marinade steak.
- Add butter to med-high hot griddle.
- Griddle, flipping halfway through.
- Remove and rest when done to your liking.
Detailed recipe steps
- Make marinade for griddled beef loin.
- Prep all vegetable sides like the Sip Bite Go griddled broccoli and griddled onions recipes and any other ingredients before cooking beef loin flap meat on the griddle. You’ll want them ready to use. I like to use a tray and bring everything outside at once.
- Preheat Traeger Flatrock Griddle, Blackstone Grill, or whatever indoor griddle or outdoor flattop you’re using to medium-high. Take beef loin out of the fridge and let it come up to room temperature a bit.
- Add butter and/or cooking oil to coat the griddle. Spread it around.
- Add beef loin / top sirloin meat to the hot griddle. Discard remaining marinade.
- Griddle cook the beef loin for about 5-7 minutes, until it’s seared and browned to your liking.
- Flip griddled steak and finish cooking until done to your preferred temperature as measured with an internal read thermometer. We cooked the one in the Sip Bite Go recipe demonstration until it reached about 130 degrees F.
- Finish by resting for about 10 minutes, and enjoy.
Try these easy griddle recipes…
- Smashed breakfast burgers
- Griddled bacon
- Griddled onions
- Griddled chicken breast
- Griddle corn on the cob
- Quesadillas on the griddle
- Onion smashed burgers
- Philly cheesesteak smash burgers
- Steak fajitas on griddle
- GUIDE: seasoning Blackstone Griddle grills for the first time
See new griddle recipes for beginners…
Griddle cooking tools in the SBG setup…
Main griddle equipment
- Outdoor flattops: Blackstone Griddle + Traeger Flatrock (gifted).
- Indoor griddle: Lodge Pre-Seasoned Cast Iron Grill Pan
Other helpful grilling tools, accessories, ingredients…
- Heavy-duty Traeger tongs
- Traeger Tray (love for prep and to carry ingredients to the grill)
- Meat Church Texas Sugar BBQ
- California Avocado Oil Blend
Traeger Flatrock guides
- Traeger Flatrock grill review
- Tips for seasoning Traeger Flatrock grills
- Guide to Flatrock grease bucket
- See demos for the Traeger Flatrock grill cover
- Check out popular Flatrock accessories and the Flatrock smash burger kit
Meat thermometer recommendations
Every home chef needs a reliable meat thermometer to cook food perfectly.
On Sip Bite Go, you’ll often see me using:
- Meater thermometer – a fancy wireless thermometer that connects to a phone app – gifted to me from a Traeger partnership.
- ThermoPro digital thermometer – which has a wire that connects the thermometer to a display box outside the oven/grill.
It’s like being psychic! The great thing about either of the thermometers above is that I don’t have to take the food out of the oven to know the temperature.
How to use ‘em… What I do is stick the digital thermometer in steak, pork, chicken, whatever… Then put the food in the oven, on the smoker, or grill.
While the meat cooks, it reads the temperature so I know exactly what temp meat is as it’s cooking. Without having to take it out and check. It’s really difficult to overcook food when you know exactly what temp it is inside!
Why I wrote this recipe
Inspiration started at the store when I found a piece of beef that looked beautiful for our family dinner that weekend.
The way I like to end the weekend on a Sunday night is with some good food, chill time with the family…
And maybe baking something in the oven for breakfast the next day (like these peach mini loafs or banana bread muffins). It just depends on what’s in the fridge.
I was happy to find this good looking flap meat / top sirloin to griddle from Costco.
It’s perfect for a taco night, which I love griddle cooking taco meat for…
Other good ways to cook beef for tacos include this recipe for making grilled skirt steak and smoked flank steak for tacos.
Are you a foodie, too?
Hey home chef, hope that answers all your questions about how to griddle beef loin.
Enjoy cooking and chat soon on Instagram / TikTok / YouTube.
– Jenna
Next, browse the Sip Bite Go recipe collection…
Beef Loin Top Sirloin Griddle Recipe | Sip Bite Go
Equipment
Ingredients
Cut of steak to griddle
- 2.5 LB Beef Loin or similar tough cut called Flap Meat / Top Sirloin steak
For the Beef Loin / Flap Meat / Top Sirloin Marinade
- ⅓ cup Olive Oil
- ⅓ cup Soy Sauce
- 1 tbsp Red Wine Vinegar
- ½ medium Lemon Fresh Juice,
- 1 tbsp Dijon Mustard
- 2 tbsp Brown Sugar
- 1 tbsp Garlic Fresh Minced
- ½ tsp Crushed Red Pepper
- ½ tsp Black Pepper Ground
- 1 tsp Ginger
- 1 tbsp Cilantro Fresh Chopped
For griddle cooking and topping
- 2 tbsp butter salted
- 1 tbsp cilantro fresh chopped
Instructions
- Make marinade for griddled beef loin. Mix all ingredients together in a large bowl. Add beef loin steak to marinate in the fridge for 30-90 minutes.
- Prep all vegetable sides like the Sip Bite Go griddled broccoli and griddled onions recipes and any other ingredients before cooking beef loin flap meat on the griddle. You’ll want them ready to use. I like to use a tray and bring everything outside at once.
- Preheat Traeger Flatrock Griddle, Blackstone Grill, or whatever indoor griddle or outdoor flattop you’re using to medium-high. Take beef loin out of the fridge and let it come up to room temperature a bit.
- Add butter and/or cooking oil to coat the griddle. Spread it around.
- Add beef loin / top sirloin meat to the hot griddle. Discard remaining marinade.
- Griddle cook the beef loin for about 5-7 minutes, until it’s seared and browned to your liking.
- Flip griddled steak and finish cooking until done to your preferred temperature as measured with an internal read thermometer. We cooked the one in the Sip Bite Go recipe demonstration until it reached about 130 degrees F.
- Finish by resting for about 10 minutes, and enjoy.
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