I will get it fixed ASAP on the website, but in the meantime here is the method: Combine 2 tablespoons of chia seeds with 4 tablespoons of water and leave to sit in the fridge for about of 30 minutes. (deliciouslyella.com)
That would be around one and a half tablespoons of chia seeds in one cup of water. (fitnessandpower.com)
I used 1 tablespoon of chia seeds for strawberrry jam, and 1 1/1 tablespoons for blueberry, as the blueberry mixture was a bit thinner. (connoisseurusveg.com)