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I suppose...hmmm...I've never tried it with any other type. Most of my breads are somewhat dense. The sour dough is the lightest. But i'm guessing an airy bun type might not work. It could be worth a try and see kind of experiment. None of them have butter or any dairy so that might be a factor as well. Thanks for the question. When are you gonna post some more awesome breads? You know they actually make a cookie cutter type thing to mock a Kaiser roll.?.

Thanks for your response. I was just wondering and concluded that softer doughs might get deformed by the firmer ones so they need to be similar density.
I will most certainly be posting more bread. I'm @breadcentric, after all ;)
I know there is a stencil for kaiser rolls, you can even fake the stencil with a yogurt cup cutout, but I want to learn the tricky thing :)