Make the Perfect Cinnamon Rolls With Vanilla Frosting

Name: Make the Perfect Cinnamon Rolls With Vanilla Frosting
Cuisine: American
Ingredients: 3 1/4 teaspoons active dry yeast; 1/4 cup warm water (about 105 F); 1/2 cup shortening (or unsalted butter); 1 cup milk; 1/3 cup sugar; 1 1/2 teaspoons salt; 1 large egg (beaten); 4 cups sifted flour (or more or less as needed); 1 cup unsalted butter (melted, or more or less as needed); 1 cup light brown sugar (or more or less as needed); 1 to 2 tablespoons cinnamon; Optional: raisins; 2 cups powdered sugar; 1 tablespoon unsalted butter (melted); 1 teaspoon vanilla extract; 2 to 4 tablespoons milk (or cream); Serving Suggestion: coffee or hot chocolate