Bg 17.8

ayuh-sattva-balarogya-
sukha-priti-vivardhanah
rasyah snigdhah sthira hrdya
aharah sattvika-priyah

Word for word: 
ayuh — duration of life; sattva — existence; bala — strength; arogya — health; sukha — happiness; priti — and satisfaction; vivardhanah — increasing; rasyah — juicy; snigdhah — fatty; sthirah — enduring; hrdyah — pleasing to the heart; aharah — food; sattvika — to one in goodness; priyah — palatable.

Translation by His Divine Grace A. C. Bhaktivedanta Swami Srila Prabhupada:
Foods dear to those in the mode of goodness increase the duration of life, purify one’s existence and give strength, health, happiness and satisfaction. Such foods are juicy, fatty, wholesome, and pleasing to the heart.