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["Combine all ingredients, and pour over 1 inch cubes of sirloin steak - as much as you can afford/need to feed the number of guests.", "Cover and let marinate for at least 2 hours in fridge (better overnight).", "Halve onion, seperating out each layer into an individual piece.", "Cut zucchini into circular pieces about 1/2 inch thick, cut Bell pepper, removing seeds and inner stem, into 2 inch diameter pieces.", "If mushrooms are very large (bigger than 2 inches diameter), they may be halved; otherwise keep them whole.", "Skewer meat, alternating with veggies (I have found it is best to keep the bell pepper from touching any meat, though - best to ""block"" it with an onion piece).", "If you have a choice of skewers, get the flat-bladed kind instead of the round kind (with the round kind, cherry tomatoes always spin cooked-side-down on the grill).", "BBQ until done.", "YUM.", "Friends who have tried it with chicken say it is good with it too.", "I always use RED wine vinegar (because I always use sirloin), but if you are doing chicken, I suppose white would be ok too."]
