Beef Sirloin Tip | Red Pepper Pineapple | Zucchini | Red Onion Soy Sauce | Pineapple Juice Olive Oil | Brown Sugar | Garlic Apple Cider Vinegar | Ginger Unsulfured Molasses
Whisk all the marinade ingredients together, set some aside, then add the beef and marinate for 30 minutes.
Heat the reserved marinade until reduced by half, then prepare the pineapple and veggies.
Next, thread beef and veggies on the skewers. Layer them so the ingredients are touching but not smashed together.
Grill kabobs until golden brown and cooked through, brushing with the reserved marinade each time your turn them.