mix in

Verb	1.	mix in - cause (something) to be mixed with (something else); "At this stage of making the cake, blend in the nuts" Synonyms: blend in
	2.	mix in - add as an additional element or part; "mix water into the drink" Synonyms: mix

blend, blend in, coalesce, combine, commingle, conflate, cut in, flux, fuse, immix, meld, merge, mix