• Dissolve yeast in warm water in 2 1/2-quart bowl.
• Add milk, sugar, salt, eggs, shortening and 2 cups flour.
• Beat on low for 30 seconds, scraping bowl constantly.
• Beat on medium speed for 2 minutes, scraping bowl occasionally.
• Stir in remaining flour until smooth.
• Cover and let rise until double, 50 - 60 minutes. (Dough is ready when indentation remains when touched.)
• Turn dough onto floured surface; roll around lightly to coat with flour.
• Gently roll dough 1/2-inch thick with floured rolling pin.
• Cut with floured doughnut cutter.
• Cover and let rise until double, 30 - 40 minutes.
• Heat vegetable oil in deep fryer to 350°F.
• Slide doughnuts into hot oil with wide spatula.
• Turn doughnuts as they rise to the surface.
• Fry until golden brown, about 1 minute on each side.
• Remove carefully from oil (do not prick surface); drain.
• Dip the doughnuts into creamy glaze set on rack then when slightly cooled spread chocolate frosting on top.
• Dip in sprinkles or other toppings after chocolate if desired.

Creamy Glaze

• Heat butter until melted.
• Remove from heat.
• Stir in powdered sugar and vanilla until smooth.
• Stir in water, 1 tablespoon at a time, until desired consistency.

Chocolate Frosting

• Heat butter and chocolate over low heat until chocolate is melted. Remove from heat.
• Stir in powdered sugar and vanilla until smooth.
• Stir in water 1 tablespoon at a time, until desired consistency.