Oliebollen and Appelflappen

Name: Oliebollen and Appelflappen
Cuisine: Netherlands
Ingredients: 1/2 cup lukewarm water; 1 teaspoon sugar; 2 packages dry yeast; 4 cups flour; 2 eggs; 1/4 cup sugar; 2 cups milk; 1 teaspoon salt; 8 cups or 2 liters of oil; Icing Sugar; Oliebollen:; ¼ cup or currants or raisins or ½ cup of chopped/peeled apples; Appelflappen:; Peeled and cored apples cut into thick slices.