Jatjuk (Korean: 잣죽) or pine nut porridge, is a variety of juk (porridge) made by boiling finely ground pine nuts and rice flour in water.

[2][3] It is a mild, nutritious, and easily digestible dish often served to recovering patients and the elderly.

[3][4][5] The porridge is made with white rice and pine nuts, which are separately soaked, ground, and sieved.

[6] Grinding the ingredients together causes them to separate after boiling.

[6] The porridge is seasoned with salt and often garnished with whole or crushed pine nuts.