What's the noun for mash? Here's the word you're looking for.
mash
(uncountable) A mass of mixed ingredients reduced to a soft pulpy state by beating or pressure; a mass of anything in a soft pulpy state.
In brewing, ground or bruised malt, or meal of rye, wheat, corn, or other grain (or a mixture of malt and meal) steeped and stirred in hot water for making the wort.
“And the stew you mention is probably karafs, a terrific mash of celery cooked down with mint and turmeric, among other things.”
“Oh, there were exceptions once in a great while, when a fellow got a mash on a girl.”
mashup
(computing) A derivative work consisting of two pieces of (generally digital) media joined together, such as a videoclip with a different soundtrack applied for humorous effect, or a map overlaid with user-supplied data.
(music) A remix created by combining two or more songs from different artists into one piece of music