Sweet Potato Bread with Pecan crumb topping and cinnamon swirl

Cake or bread? That is the ultimate question.

Technically, this is a sweet potato quick bread. Think banana bread, but with sweet potato instead of banana (in fact, I used my own banana bread recipe as a jumping off point, if that gives you any indication of the overall texture). But once I added the sweet, crunchy topping, I couldn’t quite bring myself to call it crumb bread. That just sounds silly. So crumb cake it is.

But don’t be deceived… just because it’s called cake doesn’t mean it’s not perfectly acceptable to eat for breakfast.

Sweet Potato Crumb Cake with Pecan Cinnamon Swirl

Bands of caramelized cinnamon sugar swirled through an impeccably tender cake, ever so slightly crisp on the outside and luxuriously moist in the center. And the topping! If you’re someone who appreciates textural contrast when you eat, the crumb topping is going to be your new favorite thing: a light sugary crunch that practically melts in your mouth, perfectly punctuating an already stellar flavor experience.

It’s certainly not winning any beauty contests, but what this bread lacks in looks it makes up for in flavor and personality (and we all know that’s what truly seals the deal in the end).

The first time I tested this recipe, I made the mistake of assuming the presence of canned sweet potato in the pantry, without actually looking. Alas, sometimes I get it in my head that I have something, when in reality it might have been 8 months since I’d last seen it there… or even longer.

Not wanting to waste the day, I nuked a few sweet potatoes we had lying around, then scooped out the soft flesh and pureed it in a food processor to make my own puree.

Interestingly enough, the significantly lower moisture content of the homemade puree varied the baking time by a full 15 minutes. In fact, I royally screwed up my second attempt (which used canned sweet potato) by baking it for the same amount of time as the first loaf, only to discover upon slicing it that it was practically raw in the middle.

The recipe below is written for canned sweet potato puree. If you should go so far as to make your own puree, start checking for doneness after about 45/50 minutes and go from there. Luckily, this cake is so inherently moist that you’d be hard pressed to overbake it (so long as the crumb topping doesn’t start getting noticeably dark), so, when in doubt, bake it a few minutes longer.

Cinnamon Swirl Sweet Potato Pecan Crumb Cake Recipe

An interesting note about the crumb: if you were to melt the butter and add it to the sugar/flour mixture, your crumb would hold its shape and be much crunchier overall, more like a crisp cookie. Despite aesthetics, Taylor strongly preferred the crumb that was made with cold butter and prepared like a pie crust. It melted into itself a bit more when it baked, but it gave the bread a nice light sugary crunch. You can do either here depending on your preference.

Cinnamon Swirl Sweet Potato Pecan Crumb Cake (cat photobomb!)

(Sgt. Pepper on the other hand, doesn’t really care if the crumb is made with cold vs melted butter, he just wants a lick either way.)

Cinnamon Swirl Sweet Potato Pecan Crumb Cake - Cake or bread, you decide.

And before I get 20 bajillion comments asking… yes! You could certainly used canned pumpkin in place of the sweet potato. You could also make this recipe without the swirl and/or the crumb topping, and you’d have a good solid sweet potato bread in your recipe arsenal.

But that wouldn’t be much fun, now, would it?

Cinnamon Swirl Sweet Potato Pecan Crumb Cake

Cinnamon Swirl Sweet Potato Pecan Crumb Cake

Yield: 1 loaf (10 servings)

Prep Time: 45 minutes

Cook Time: 1 hour

Total Time: 2 hours

Whether you call it cake or bread, this tender sweet potato crumb cake features a cinnamon swirl and crunchy sugar and pecan crumb topping.

Ingredients:

For Swirl/Topping:

  • 1/4 cup all-purpose flour
  • 1/4 cup brown sugar
  • 2 tablespoons granulated sugar
  • 1 tablespoon ground cinnamon
  • pinch salt
  • 2 tablespoons cold butter, cut into cubes
  • 1/2 cup chopped pecans, divided

For Cake:

  • 2 cups (8.5 oz) all-purpose flour
  • 2 teaspoons ground cinnamon
  • 1 teaspoon baking powder
  • 1 teaspoon baking soda
  • 1/2 teaspoon kosher salt
  • 1/4 teaspoon freshly ground nutmeg
  • 1 cup sweet potato puree
  • 2 large eggs, at room temperature
  • 1/2 cup packed brown sugar
  • 1 tablespoon pure maple syrup
  • 2 teaspoons vanilla extract
  • 1/2 cup (1 stick) unsalted butter, melted and cooled

Directions:

  1. Preheat oven to 350 degrees F. Lightly butter an 8-by-4-inch loaf pan; press and 8-inch wide strip of parchment paper into bottom of pan so it lines the bottom and long edges, leaving two overhangs on either side.
  2. In a small bowl, whisk together flour, brown sugar, sugar, cinnamon and salt. Divide mixture in half and set one half aside (this will create the cinnamon sugar swirl inside the cake).
  3. Add cold butter cubes to the other half of cinnamon sugar mixture. Cut in butter with two knives or a pastry cutter until pieces of butter are no larger than a pea. Add 1/4 cup of pecans and work into mixture with your fingers (reserve remaining pecans) until it clumps together. Refrigerate until ready to use.
  4. In a bowl, whisk together flour, baking powder, baking soda, cinnamon, nutmeg, and salt.
  5. In another bowl, whisk together sweet potato and eggs until evenly incorporated. Whisk in sugar, maple syrup, and vanilla until smooth.
  6. Add sweet potato mixture and melted butter to dry ingredients, and mix until just incorporated and no dry ingredients remain.
  7. Spoon about 1/3 of the batter into bottom of prepared loaf pan. Sprinkle with half of cinnamon sugar mixture and half of reserved pecans. Spoon another 1/3 of batter on top, followed by remaining cinnamon sugar and pecans. Spread remaining batter on top, spreading it into a smooth layer. Sprinkle with refrigerated crumb mixture, breaking it up into pea-sized pieces and keeping the bulk of the crumb mixture 1/2-inch from the edge of the pan (it will spread as it bakes).
  8. Bake for 55 to 65 minutes or until crumb topping and corners are starting to darken and a toothpick inserted in the deepest part of the bread comes out clean.
  9. Place pan on a wire rack to allow bread to cool completely, 1 to 2 hours. Run a thin knife along the short edges (where there is no parchment), and then use the parchment overhang as handles to gently lift the loaf out of the pan. If it is still warm, let it cool completely on a wire rack before slicing and serving.

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11 Comments Leave a Comment »

  1. You post this…on the day I’m supposed to start a fitness challenge?! Oh my – this looks delicious and can’t wait to try it.

  2. That topping. It’s like a thick, delicious Wall of Crumble Topping deliciousness! I actually could/would probably just slice that right off the top of the loaf and eat it myself. Kind of like just eating the muffin top. Not that the rest of the bread doesn’t sound amazing. But crumb topping is where it’s at for me!

  3. This bread is precisely what I need in my life now that it’s October!

  4. Thank you for this! I can’t wait to try this.

  5. Ha ha – you said 1 loaf = 10 servings! You’ve obviously never been in my kitchen when something like that comes out of the oven! :D Seriously though, it sounds wonderful; thank you for sharing the recipe. I might need to make a special mid-week trip to the store for some fresh sweet taties! :)

  6. Should the sweet potato be precooked prior to mixing into bread mixture??

    • Never mind, just reread the recipe and decided to roast the sweet potato:) Just wanted to note that the ingredients call for nutmeg, but the instructions seem to be missing which step the nutmeg should be added…

    • The recipe calls for sweet potato puree, so you can either used canned, or make your own by roasting/steaming the potatoes then pureeing them until smooth. :)

  7. This looks divine… just one thing though. We have stopped using all purpose flour and use whole wheat/ rhye/ coconut and almond flours. Can I sub the all purpose flour with any of these?
    Thanks
    And lovely work!!!

    • I have not tried it with different flours so I cannot say how it might affect the final product. In my experience whole wheat flours tend to make for a much denser final product, which I don’t think would be very good in this case.

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