
These grilled beef and vegetable skewers are seasoned with sumac for a tangy and flavorful twist. Perfect for summer grilling!
Ingredients
- 1 pound beef sirloin cut into 1-inch cubes
- 1 red bell pepper cut into 1-inch pieces
- 1 yellow bell pepper cut into 1-inch pieces
- 1 red onion cut into 1-inch pieces
- 2 tbsp olive oil
- 2 tbsp lemon juice fresh
- 2 tbsp sumac
- Salt and pepper to taste
Instructions
- Preheat grill to medium-high heat.
- In a bowl, combine olive oil, lemon juice, sumac, salt, and pepper.
- Thread beef cubes, bell pepper pieces, and red onion pieces onto skewers.
- Brush the skewers with the sumac marinade.
- Grill the skewers for about 3-4 minutes per side, or until the beef is cooked to your desired doneness and the vegetables are tender.
- Serve hot and enjoy!
Nutrition
Calories: 320kcalCarbohydrates: 12gProtein: 28gFat: 18gFiber: 4g

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Skewers are fine, but I’m not sure about that sumac… Got a weird aftertaste! Maybe just a bad batch?
Quick and easy! Wish I had more time to grill, though. Also, red onions are the best part!
I mean, the recipe is good, but I burned my beef. How long should I really grill it? 🤷♂️
Just grill it until it looks brown, I guess? Just don’t burn it like I did! 😂
You should really stick to 3-4 minutes per side. Don’t let it go too long, or you’ll just end up with charcoal! 🤦♂️
Really wanted to like this, but my kids wouldn’t touch the veggies. Maybe I’ll try just beef next time.
I love cooking on the grill, thank you for this awesome recipe. Skewers are the best!!
Honestly, this was kind of dry. Should’ve marinated longer or smth.
What even is sumac? I couldn’t find it at my store…just used paprika. 😅
Sumac is a tangy spice, but paprika works too! Just won’t have that zesty flavor. Nice improvisation! 😊
Yummy! Used chicken instead of beef and it turned out fine! 😊
Yum! So easy and delish 😋. I added mushrooms too. Perfect.
What is sumac? Never heard of it. Can I use something else? Like pepper or BBQ sauce?
Gr8 recipe. Just what I needed for my cookout.
Tasted great but my beef was a bit tough. Maybe I should’ve marinated it longer?
These skewers were a hit at our BBQ! The sumac gave it such a nice zing!
Too much lemon for my taste. Ended up pouring more oil to balance it out.
Absolutely loved these skewers! The sumac added such a nice flavor. Will definitely make again!
These are the best! My family loved them. I didn’t even care to grill, I just did them on the stove 😂.
Grilled too long, they was dried out 😩. My family didn’t like it. I will stick to my usual spices!
This recipe is bomb! The sumac adds a nice twist to the usual grilled skewers. Definitely a keeper!
I tried it and the beef was too tough for me. Maybe I overcooked it? Not sure sumac is for everyone.
I’ve had a similar issue with beef before. It’s all about finding the right cook time! Don’t give up on sumac, it can be delish if used correctly!
What’s sumac? I’m not familiar but willing to try. Sounds fancy but I just want my meat good.
Yummy good!! I love grilling in the summer. These skewers made my BBQ awesome!
Skeptical about sumac but it actually worked! Never thought I’d say that.
I messed up the sequence—brushed the marinade too late and it didn’t soak in. Still edible, but not the same. Also I ran out of sumac lol.
This is so easy it feels almost unfair. I served it with rice and everyone asked for the recipe. 10/10 for weeknights.
Yummy skewer meals are the best! Easy to make and taste great. Thumbs up!
I totally agree! Skewers are so versatile and make for a fun grilling experience. Can’t wait to try this recipe!
These tasted amazing! I’m definitely making them again.
I can’t wait to try these! They sound really tasty, but what if I don’t have sumac? Can I use something else?
Sumac tastes kinda like lemon pepper? I didn’t grow up using it so I was like “what is this?” but it totally worked with the grill smoke.
I don’t know, sumac is kinda weird. Can I use lemon pepper instead?
I just used old veggies and it was still good. Grilled is life!
The instructions are simple, and that’s what I like. I’m not a “measure-everything” person, but the marinade proportions were forgiving.
Too much prep for me! Just throw a steak on the grill, why not?
Absolutely delicious! The flavors are spot on! My whole family loved it.
I’m glad you enjoyed it! Those flavors really do come together nicely, don’t they?
These skewers sound amazing—sumac + lemon is such a perfect combo. I’d definitely grill a little longer for more char on the peppers.
Easy and quick! I used leftover veggies and it worked. Also my kids ate it without complaining (rare).
Used chicken because I didn’t have sirloin and honestly it was still great. Also I forgot to salt until after grilling… but yeah, not ideal. Fix that and it’s awesome.
I followed it and it was okay… not mind-blowing. Also I ran out of sumac so I subbed paprika and it definitely wasn’t the same.
Totally fair—sumac makes a huge difference here. Paprika’s more smoky/sweet, so you lose that tangy, lemony vibe. Next time maybe try a little extra lemon + a pinch of cumin/za’atar if you’re out of sumac.
I get what you mean about not mind-blowing. I used sumac once and it was way brighter. With paprika it was like… a different meal. Still tasted fine tho, just not the same flavor profile.
Pretty straightforward, love how you balance acid (lemon) with the savory beef. I usually add a pinch of garlic too, but the base is solid.
These came out so juicy! The sumac flavor is super bright and really makes the peppers pop. I’ll definitely make these again.
Yes!! This exact combo is so good—sumac really wakes everything up. I love how the lemon keeps it bright instead of heavy. Definitely adding this to my repeat list.
Hmm I made something like this once but my sumac was kinda bitter? Maybe I used too much. What brand of sumac do you use and do you mix it right before grilling?
I’m skeptical of sumac on beef. Turns out it’s actually really good though—kinda tangy. Next time I’ll cut the onion a bit smaller so it chars evenly.
I tried something similar and it came out great, but I recommend soaking the onions/peppers in the marinade for like 10-15 minutes first. Maybe it helps seasoning stick.
That makes sense! The sumac + lemon mix feels like it would cling better after a short soak. I’m gonna try 10 minutes next time—great tip.
I’m not sure soaking is necessary… I just brush it on and the flavor is plenty. Also, 10-15 min might make the onion too soft on the grill? Maybe but idk.