If anything, "everyday" in "I do this thing everyday" would be an adverb. (not that that makes it less wrong)
These are not vinaigrettes, these are just various salad dressings. Vinaigrette has only vinegar, mustard, oil, and if wanted salt. You can substitute mustard with egg yolk.
If anything, "everyday" in "I do this thing everyday" would be an adverb. (not that that makes it less wrong)