Preheat the oven to 375°F. Brush both sides of the flour tortillas with melted butter, then coat them evenly with the cinnamon sugar.
Turn a muffin pan upside down and gently fold each tortilla between two muffin cups to form a taco shape. Bake for 8 to 10 minutes until crisp and lightly golden, then cool completely.
Beat the softened cream cheese, powdered sugar, and vanilla extract until smooth and fluffy.
In a separate bowl, whip the cold heavy cream until firm peaks form. Fold the whipped cream into the cream cheese mixture until evenly combined.
Stir the strawberries with the strawberry preserves and lemon juice. Let the mixture stand for 5 minutes to become glossy and juicy.
Spoon or pipe the cheesecake filling into the cooled taco shells. Top with the strawberry mixture and serve immediately.