How to Cook: Strazzberry Jam/Coulis

How to cook: Strazzberry Jam/Coulis
Ingredients:
2 cups Strawberries (fresh or frozen works)
2 cups Raspberries (fresh or frozen works)
2 cups Water
1 1/2 cups Sugar
1 tsp Vanilla
Coulis:
1/4 cup water plus 1 tbsp cornstarch
Jam:
1/4 cup water plus 2-3 cornstarch