comfort food

noun2

1. •
   Simple, comforting home-cooked-style food associated with one's formative years, often a staple of diners and other informal restaurants.

   • People like soup. It's what a psychologist would call a comfort food. Easy to eat, easy to digest, hearty soups are quick energy builders. — 1962
2. •
   Food, often high in carbohydrates or sugar, consumed to feel comfort or alleviate stress rather than to receive nutrition.

   • After the relationship ended, she overindulged on comfort food every night.