Use high-starch russet potatoes and potato starch, fry in neutral oil (or schmaltz at lower heat), and serve latkes hot with sour cream and applesauce.
How To Choose The Right Thickener For Your Homemade Pie - Tasting Table
Match pie thickener to filling texture: all-purpose flour for rustic fruit pies, cornstarch for glossy juicy fillings, potato starch for quick-baked custards.