Make the dough

• Warm the milk and stir in the yeast and sugar, then let it sit until foamy.
• Add the flour, melted butter, egg and salt and knead into a smooth dough.
• Cover and let the dough rise until doubled in size.

Roll out and fill

• Roll the dough into a large rectangle.
• Spread the softened butter over the dough.
• Sprinkle the brown sugar and cinnamon evenly on top.

Shape the hearts

• Roll the dough up into a log and cut it into slices.
• Shape each slice into a heart and place them in the baking dish.
• Cover and let them rise again.

Bake

• Bake the rolls until golden and cooked through.

Frost and serve

• Whisk the cream cheese, powdered sugar, butter and vanilla into a smooth frosting.
• Spread the frosting over the warm rolls and serve.