Danish Sourdough Pastries

Name: Danish Sourdough Pastries
Prep time: 45 min
Cook time: 15 min
Total time: 1 h
Cuisine: European
Ingredients: 3 cups all purpose flour (420 grams); 1/4 cup sugar (50 grams); 1/2 cup sourdough starter (bubbly and active (113 grams)); 3/4 cup whole milk (183 grams); 1 large egg; 1/2 teaspoon vanilla; 1 teaspoon salt (5 grams); 16 tablespoons cold unsalted butter (2 sticks or 227 grams); 1 tablespoon all purpose flour (9 grams); 3 oz cream cheese; 2 tablespoons granulated sugar; 1 large egg yolk (I like to use the yolk that is leftover from the egg wash); 1/2 teaspoon lemon juice; 1/2 teaspoon vanilla extract; Lemon curd; Pie filling; Jam; 1 large egg white (beaten lightly with 1 tablespoon cold water); 1 cup confectioners' sugar (120 grams); 2 tablespoons milk; 1 teaspoon vanilla; pinch salt