Grandma Billie's Cinnamon Rolls

Bahan-bahan (24 porsi)

• ½ cup shortening
• 1 cup milk
• One .25 ounce package active dry yeast
• ½ cup warm water ((105 to 110°F.))
• 1 teaspoon granulated white sugar
• 3 large eggs
• ½ cup granulated white sugar
• 1 teaspoon salt
• 5 to 6 cups all purpose flour
• ¾ cup (1½ sticks) butter, (softened)
• ½ cup granulated white sugar, (more or less, to taste)
• ½ cup light brown sugar, (more or less, to taste)
• 1 tablespoon ground cinnamon, (more or less, to taste)
• 1 cup powdered sugar, (sifted)
• 1 to 2 tablespoons milk
• ½ teaspoon vanilla extract