Quarter cabbage and chop laterally into about 2 inch pieces. Place cabbage in an extra large bowl or pot. Combine salt with 2 cups of lukewarm water, stir to dissolve salt. Pour salt water over the cabbage and add remaining 4 cups, stir to mix. If you can, place a plate or circular baking dish of sorts on top to submerge the cabbage (I used a pie dish), place something with a good amount of weight on top to hold down if necessary (it’s not completely necessary but will help to evenly wilt the cabbage). Give cabbage a good mix every now and then. Let soak for 2 hours, up to 12 if you like. I found that 2 – 4 hours was enough and didn’t see much change between the two times.
While cabbage is soaking, combine apple, onion, ginger and garlic in food processor/blender and process until fairly smooth.
In a small bowl, mix the chili pepper with a small amount of water to make a wet paste. You can just as easily blend it with the apple/onion mixture adding a couple tablespoons of water as well.
Once cabbage is ready, drain water, reserving ½ cup, and rinse well. Place cabbage back in large bowl, combine with the scallions, apple/onion mixture and chili paste. Mix well to coat all pieces. Either use your hands (with gloves on pref to protect from the chili pepper) or simply use wooden spoons to toss everything.
Place the kimchi in glass jars or containers with lid, pack down the best you can to close air pockets and leave about an inch at the top for air and gases. Top with remaining juices, add reserved brine if needed to cover vegetables.
Let kimchi sit at room temp (or in a cool place like a pantry or closet if weather is extremely warm) for 24 – 36 hours. After 24 hours, open kimchi and pack the mixture down with a spoon (the cabbage will have likely shrunk and you’ll have more liquids). You may notice it bubbling, this is perfectly normal as the kimchi is fermenting. As your kimchi ferments the flavors will develop, taste every 24 hours and place kimchi in the refrigerator once you’re happy with the taste and to slow fermentation, usually after 36 – 48 hours. It should be tangy, spicy and slightly sweet. After moving to the fridge, it’s best used within a month, maybe two.
Makes about 3 – 4 cups
Serve with rice, use in Kimchi Fried Rice or make Kimchi Tofu Scramble!