- ¾ pounds top sirloin steak, cut into 1 ¼-inch cubes
- ⅓ cup low sodium soy sauce
- ¼ cup canola oil
- 3 tablespoons honey
- 1 tablespoon minced garlic (about 3 cloves)
- 2 teaspoons chili powder
- ½ teaspoon ground cumin
- ½ teaspoon ground black pepper
- 1 red bell pepper, cored and cut into 1 ¼-inch pieces
- 1 yellow or orange bell pepper, cored and cut into 1 ¼-inch pieces
- 8 ounces whole baby bella mushrooms, halved if large
- 1 small red onion, cut into 1 ¼-inch cubes
- Skewers (if using wood, soak in water for 30 minutes before grilling)
- Oil for brushing the grill grates
