12ozbeef tenderloin roast or steakscut into 1-inch cubes
2tbspsoy sauce
2tbspfresh lime juice
2tspkosher salt
1tspground cumin
1large red onioncut into wedges
3medium zucchinisliced into 1/2 inch rounds
Instructions
In a medium bowl, stir together soy sauce, lime juice, salt, and cumin. Add beef, tossing to coat well. Cover and marinate in the fridge for 1-2 hours.
Preheat grill for medium-high heat (or 400°F depending on your barbecue). Lightly oil the grill grate.
Discard marinade. Thread beef, zucchini, and onion onto skewers and grill, turning occasionally, until charred, about 5 minutes total for medium-rare.