The “secret ingredient” in this moist, tender cake is grated butternut squash, which is folded into the batter just before baking. Use the large holes on a box grater to grate the squash.
In a large bowl with a hand mixer or in a stand mixer fitted with the paddle attachment, beat the butter and sugar on medium speed until well combined, about 1 minute. Add the oil and beat until combined, about 15 seconds. Add the eggs one at a time, mixing well on low speed. Add the vinegar and vanilla and mix again until just combined. Add half of the flour and the baking soda, salt, ginger, and nutmeg, mixing on low speed until just combined. Add half of the buttermilk and mix until just combined. Repeat with the remaining flour and buttermilk.
Stir the squash into the batter and transfer the batter to the prepared pan; smooth the top with a rubber spatula. Bake until a cake tester inserted in the center comes out clean, about 1 hour. Cool on a wire rack for 30 minutes; then carefully invert the cake onto the rack and remove the pan. When the cake is completely cool, transfer it to a serving plate.
Make Ahead Tips
This cake can be made a day or two in advance. After the icing has set, wrap the cake in plastic and refrigerate. Let come to room temperature before serving.
We enjoyed this for dessert with company but it was even better the next day as “coffee cake”.
I've been making this cake for years, and it's one of my friends/family's favorites. I go heavier on the crystallized ginger sprinkled on top, but otherwise i think this is one of the more perfect recipes ever. Love it.
Tasty and moist cake! Ginger was really subtle. I may increase next time. This is a keeper!
Delicious! Made the recipe as written and it was easy to put together. Ate the cake the first night with no glaze and it was good, but the glaze and ginger topping really elevate this cake to another level. Great flavour, not overpowering and moist. Everyone raved about the cake and I would make it again.
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