01 - Combine warm milk and yeast in a large bowl. Let stand for 5 minutes until foamy.
02 - Add sugar, melted butter, eggs, and salt to the yeast mixture. Mix well. Gradually add flour, mixing until a soft dough forms.
03 - Knead the dough on a lightly floured surface for 6-8 minutes until smooth and elastic.
04 - Place dough in a greased bowl, cover, and let rise in a warm place for 1 hour until doubled in size.
05 - Punch down dough and roll into a 16x10 inch rectangle. Spread softened butter evenly, then sprinkle with brown sugar and cinnamon.
06 - Roll tightly from the long side and pinch seam to seal. Cut into 12 equal pieces. Unroll each piece slightly, pinch one end to form ears, leaving center rounded for the face.
07 - Place shaped rolls on parchment-lined baking sheet, spacing 2 inches apart. Cover and let rise for 20 minutes.
08 - Preheat oven to 350°F. Bake for 18-20 minutes until golden brown.
09 - Mix powdered sugar, milk, and vanilla until smooth.
10 - Drizzle icing over warm rolls. Add chocolate chips or raisins for eyes and pink sprinkles for noses. Cool slightly before serving.