No-Bake Cheesecake Bars with Fresh Blueberry Sauce

INGREDIENTS

1 cup

graham cracker crumbs (from about 7 1/2 sleeves)

4 1/2 tbsp

unsalted butter, melted

2 tbsp

cold water

1 1/2 tsp

powdered gelatin

2/3 cup

heavy cream

pkgs. cream cheese, softened (don't melt!)

3/4 cup

powdered sugar

1/4 cup

sour cream

1 1/2 tsp

vanilla extract

1/3 cup

sugar

2 1/2 tsp

cornstarch

1/4 cup

water

1 tbsp

lemon juice

2 cups

fresh blueberries

1 tbsp

unsalted butter