Brötchen | I love German Food

Ingredients

• 2 tablespoons active dry yeast
• 1 tablespoon white sugar
• 2 1/2 cups warm water (110 degrees F)
• 2 tablespoons shortening
• 2 teaspoons salt
• 7 cups all-purpose flour
• 3 egg whites, stiffly beaten
• 1 egg white (for egg wash)
• 2 tablespoons cold milk