Tart and lemony work very well together. Like in this mate with the taste of lemon and lime.
Flavored Mate, Herb and Fruit Blend Organic
Ingredients: green mate* (34 %), apple pomace*, lemongrass*, liquorice root*, lemon peel* (8 %), flavorings, acid: citric acid, lime pieces* (4 %), lemon myrtle*, sunflower petals*
(* Ingredients from organic production)