Finding Shrine locations and completing the puzzles within them is a crucial part of Zelda: Tears of the Kingdom, because, if you ignore them, you won’t be able to increase your Hearts or Stamina.
Gourmet Cheesy Meat Bowl is a consumable Meal in Zelda: ToTK, it is listed as recipe #99. When consumed it restores hearts; the number of hearts restored increases when more materials are used.