In a large bowl, toss together topping ingredients and then spread out on a baking sheet
Toast in oven until walnuts are fragrant and crumbs are golden. Set aside.
Creamy Strawberry Filling
Spray a 8x11 or 9x13 pan with nonstick spray
Place strawberries in blender and puree until smooth (saving a few whole ones aside for garnish)
In mixing bowl, beat heavy cream until stiff peaks form; set aside in another bowl
In same mixing bowl, beat cream cheese and powdered sugar until creamy, then add condensed milk, vanilla, pureed strawberries;mix slowly until combined
Fold in whipped cream, until partially blended
Spread half of the toasted crumbs into baking dish, followed by strawberry filling
Sprinkle remaining crumbs on top and place in freezer for 2 or more hours, until frozen
When thoroughly frozen, remove from freezer 1 half hour before serving; cut into squares and serve with whipped cream topping and fresh strawberry garnish