Rinse and soak sweet sticky rice (chapssal) in water for at least 1 hr up to even 5 or 6 hrs. The more you soak, the softer your rice will be.
Prepare jujube dates by rinsing under water and then with a knife, cut lengthwise to separate flesh from the pit. Cut flesh into smaller pieces like so.
Open the canned chestnuts and drain. Discard the syrup. Cut chestnuts into quarters.
Drain sticky rice and let it drain for few minutes.
Add sesame oil to Instant Pot and coat the bottom.
Add drained sweet rice.
Add soy sauce, sugar and water. Stir a few times to mix everything.
Add chestnuts, jujube and pine nuts.
Close the cover and set 8 minutes at Low Pressure.
Natural release (which takes about 20 min or so).
Using a large wooden spoon, mix the cooked sticky rice so that everything is evenly mixed. You will find that when you first open, the rice looks a little paler than how it looks in my finished pictures. Make sure you mix the bottom parts because they will be the darkest. Once everything is mixed, it will get darker in a few minutes.
Serve warm as is or put it in a cupcake mold like I did. For a more traditional style, pour the content into a bread pan and then line the top with plastic wrap. Then press everything down gently with your hands to mold it into a bread like shape. Let it cool and then cut into thick slices and serve.
For 8 QT Instant Pot - my recipe was made for 6 QT IP. If using 8 QT, increase water amount to 1.5 cups to avoid burning.
Sweet level - if adding canned chestnuts, use the lower amount of sugar because chestnuts come in syrup and even though you drain it, it will still add sweetness to it.
Yaksik can be stored at cool room temperature for 1-2 days. Otherwise, it should be refrigerated or frozen.
If frozen, you can thaw at room temp and enjoy it. If refrigerated, it is best to steam it or reheat it in the microwave.
Additional ingredients - you can add various dried fruits like raisins, apricots and other nuts like walnuts. You can also add some cinnamon powder for additional flavor. Molasses also add a great caramel flavor so you can add some molasses and reduce sugar amount. Honey can also be used.
Recipe by JinJoo Lee at www.kimchimari.com(c) All content on this site are copyright protected and images are ALL registered at the U.S. Copyright Office. Please do not use my images without my permission. If you’d like to share this recipe on your site, please modify or re-write the recipe and link back to this post as the original source. Thank you.