Cremini (Italian) mushroom
(8 to 10 oz; or any mushroom you prefer)
Italian salad dressing (vinaigrette)
Beef, stewing beef
Heat a grill or grill pan over medium-high heat.
Toss the peppers, onion, and mushroom in a bowl with ½ cup of the dressing to evenly coat. In a separate bowl, combine the beef and remaining ½ cup dressing.
To have better control over varying cooking times, thread the beef and the vegetables onto separate skewers (please see "Notes" below). Grill the vegetables until the edges of the peppers begin to blacken a bit. Grill the meat to desired doneness.
You can use metal or wooden skewers for these kebabs. If you're using wooden skewers, make sure to soak them in water for a few minutes so they don't burn.