Seriously Saftige Zimtschnecken Soft Cinnamon Roll Heaven

Ingredients

• 1 cup (240ml) whole milk, lukewarm (about 110°F/43°C)
• 2 1/4 teaspoons (7g) active dry yeast (1 packet)
• 1/4 cup (50g) granulated sugar, plus 1 teaspoon
• 1/2 teaspoon salt
• 1/4 cup (57g) unsalted butter, melted and cooled slightly
• 1 large egg, lightly beaten
• 3 1/4 - 3 1/2 cups (390g - 420g) all-purpose flour, plus more for dusting
• 1/2 cup (113g) unsalted butter, softened
• 3/4 cup (150g) packed light brown sugar
• 2 tablespoons ground cinnamon
• 4 ounces (113g) cream cheese, softened
• 1/4 cup (57g) unsalted butter, softened
• 1 1/2 cups (180g) powdered sugar, sifted
• 1/4 teaspoon vanilla extract
• 2-4 tablespoons milk