Fastelavnsboller (Fastelavn Buns)

Ingredients (14)

• + 3 (0.6 ounce) cakes compressed fresh yeast add to pantry
• + 1 cup warm milk (110 degrees F/45 degrees C) add to pantry
• + ½ cup melted butter add to pantry
• + 2 eggs add to pantry
• + 1 ½ teaspoons salt add to pantry
• + 2 teaspoons white sugar add to pantry
• ✓ 4 cups all-purpose flour, or as needed
• + 1 cup milk add to pantry
• ✓ 1 tablespoon cornstarch
• + 1 teaspoon vanilla extract add to pantry
• + 1 beaten egg add to pantry
• + ¾ cup confectioners' sugar add to pantry
• + 1 tablespoon hot water add to pantry
• + 2 tablespoons cocoa powder add to pantry