Lemon. 

Larabar Original Fruit & Nut Bar Lemon contains six delicious ingredients; dates, cashews, almonds, lemon juice concentrate, dried lemon juice concentrate and natural lemon flavor. When life hands you lemons, you make... their Lemon Bar! This refreshingly tart and tangy treat combines dates, cashews, almonds and lemon. Original Fruit & Nut Bar Lemon will lift your vitality and provide energy with every bite!