My 20 mo old son is the EXACT same way lol he's also obsessed with all forms of salsa and chips too lol I too wondered how strange it was. All I know I its totally fine to give tuem just don't let her eat too many in a setting if it affects her going #2 other than that if she loves them theurr totally fine to eat :) on the lemon comment someone posted my son loves those and limes too lol