To make the blackberry topping, in a medium saucepan combine 2 Cup freshly washed blackberries 1/4 C water 1 Cup granulated sugar Bring it to a boil, stirring often While that is heating combine 2 Tbs cornstarch with 4 Tbs water

Mix the cornstarch into the blackberry reduction until thick Remove the mixture from heat and store in the fridge until needed

To make the graham cracker crust Use a food processor to blend together 1 1/2 Cup graham crackers 2 Tbs granulated sugar 1/4 Cup walnuts 1/2 tsp vanilla Press into a well oiled baking pan (we used an 8x8 pan for this recipe)

To make the cheesecake filling mix together 12oz softened cream cheese 1/4 Cup Greek yogurt 3/4 Cup granulated sugar 1 tsp vanilla Blend until smooth and creamy

Layer the filling over the graham cracker crust Top with the chilled blackberry sauce and enjoy The blackberry sauce can be firm or loose depending on the use and amount of cornstarch

These bars can be made as directed for a layered look, or in a frozen ice cream form as shown above.  Simply combine the filling with the blackberry sauce, spread over the crust and store in the freezer until frozen