Favourite Sour Cream Apple Pie

This sour cream apple pie lands in its own corner by ditching the streusel-style topping in favor of a dry walnut-and-sugar crackle. No butter in the topping at all, just chopped walnuts, brown sugar, granulated sugar, and cinnamon tossed together and scattered over the pie before baking.

As the pie bakes, the topping doesn’t melt into streusel the way a buttered version would. Instead the sugars caramelize around the nuts, the walnut oils toast out on their own, and you get a crunchier, less fatty crown on the pie that shatters when cut.

The filling goes the opposite direction: deep and custardy. Apple slices are tossed directly with sour cream, a beaten egg, sugar, vanilla, and flour, so every piece of fruit is coated in custard before the pie is assembled. Baking brings everything together into a rich, tender filling with the apples softening in place.

The pairing works because the rich, creamy filling balances the dry, sugary topping. Together they hit all the textures at once: silky, fruity, nutty, crunchy, and sweet.

Use tart cooking apples and don’t skimp on quantity. The fruit cooks down significantly, and you want a mounded filling rather than a flat one.

Pro Tips

• Slice the apples thin for uniform cooking, but not paper-thin or they’ll turn to mush in the custard.
• Toss the apples and custard together just before assembling. Sitting too long causes the flour to activate and the filling to thicken before baking.
• Spread the topping evenly and break up any clumps of sugar. Clumps bake into hard lumps rather than melting.
• Tent with foil for the last fifteen minutes if the walnuts are getting too dark before the filling is set.

Variations

• Swap pecans for walnuts for a slightly softer, more buttery nut flavor.
• Add a pinch of cardamom to the topping for an unexpected warm note.
• Use a mix of apples and firm pears for a more complex fall fruit pie.