In a sauce pan boil the apricots in the water for 5 minutes.
Transfer apricots to a food processor and puree.
Stir the sugar into the apricot water.
Mix the cornstarch with the lemon juice, add to the water and simmer until thick.
Pour over the apricots and blend.
Return to sauce pan and stir in the apple juice, heat but do not boil.
Use as required.