Ingredients
Equipment
Method
Prepare the Marinade
- In a large mixing bowl, whisk together olive oil, low-sodium soy sauce, red wine vinegar, Worcestershire sauce, minced garlic, honey, Dijon mustard, black pepper, red pepper flakes (if using), and dried oregano.
Prepare Steak and Vegetables
- Pat the skirt steak dry and cut it against the grain into 1.5-inch pieces. Add the steak to the marinade. Add the red bell pepper, yellow bell pepper, red onion, and zucchini to the bowl with the steak and marinade. Toss everything to ensure all ingredients are well coated.
Marinate
- Cover the bowl and refrigerate for at least 30 minutes, or up to 4 hours. (Do not marinate skirt steak for more than 4 hours as it can become mushy due to the acids).
Pre-soak Skewers (if using wooden)
- If using wooden skewers, soak them in water for at least 30 minutes while the steak marinates to prevent them from burning on the grill.
Preheat Grill
- Preheat your grill to medium-high heat (about 400-450°F / 200-230°C). Lightly oil the grill grates to prevent sticking.
Assemble Kabobs
- Thread the marinated skirt steak pieces and vegetables (bell peppers, red onion, zucchini, cherry tomatoes) onto the skewers, alternating ingredients for an even cook and appealing presentation. Discard any remaining marinade.
Grill Kabobs
- Place the assembled kabobs on the preheated grill. Grill for 8-12 minutes, turning every 2-3 minutes, until the steak reaches your desired doneness (medium-rare is typically 130-135°F / 54-57°C internal temperature) and the vegetables are tender-crisp with nice char marks.
Rest and Serve
- Remove the kabobs from the grill and let them rest on a clean platter or cutting board for 5 minutes before serving. This allows the juices to redistribute, ensuring tender and flavorful steak.
Notes
For best results, use metal skewers as they conduct heat and help cook the food from the inside. If using wooden skewers, remember to soak them! Skirt steak cooks quickly, so watch it carefully to avoid overcooking. These kabobs are excellent served with rice, quinoa, or a fresh green salad.
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