You can use real gold leaf, but needs to be 22 kt to be edible. You usually apply it to fondant on a cake. You cover the cake with fondant, then LIGHTLY mist the fondant with water so it get sticky, and then apply the gold leaf with a brush. Gold leaf can be very messy though, as small pieces break off, and you end up with them floating all over the place. It also needs to be ordered from a company that sells cake decorating supplies since you can't just use whatever you can find at your local craft store. I think I have seen it on Pfiel and Holing's website at cakedeco.com if you want to try looking there for it.
Thank you so much for your answers. I have a cake supply shop that had the flaked gold leaf, but I think I will stick with the luster dust! Thank you again for all your help! I can't tell you how much this site and all you wonderful folks mean to me. You're the greatest!
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