For the Yeast Dough:

• 1 cup whole milk (heated to 120°F–130°F)
• 1 1/2 tbsp dry active yeast
• 1/2 cup sugar
• 1/2 tsp sea salt
• 1 tsp vanilla extract
• 2 large eggs + 2 egg yolks
• 1 1/2 cups unsalted butter, melted and cooled
• 5 cups all-purpose flour

For the Cheese Filling:

• 8 oz cream cheese, softened
• 1 large egg
• 1/4 to 1/2 cup sugar (adjust to taste)
• 1/2 tsp salt
• 2 tsp vanilla extract
• 2 cups farmer’s cheese (tvorog)
• 1/3 cup blueberry preserves or other berry jam

For the Streusel Topping:

• 1/4 cup all-purpose flour
• 1/4 cup granulated sugar
• 2 tbsp unsalted butter, cubed and chilled
• 1 tbsp cream

Additional:

• 1 large egg, beaten (for egg wash)