Preheat the oven: Preheat your oven to 375°F (190°C) and line a baking sheet with parchment paper.
Prepare the dough: Unroll the crescent roll dough and separate it into triangles.
Make the filling: In a mixing bowl, combine the softened cream cheese, powdered sugar, lemon juice, and vanilla extract. Mix until smooth.
Fill the rolls: Place a spoonful of the cream cheese mixture on the wide end of each triangle.
Roll them up: Carefully roll up the dough around the cheese mixture from the wide end to the pointed tip.
Arrange on the baking sheet: Place the rolled danishes on the prepared baking sheet, making sure they are spaced apart.
Brush with butter: Brush the tops with the melted butter for added flavor.
Bake: Bake for 12-15 minutes until golden brown.
Cool slightly: Allow them to cool for a few minutes before serving