Let me introduce you to the warm, comforting magic of the Discard Sourdough Coffee Cake Recipe. This delightful cake brings together the tangy charm of sourdough discard with the cozy sweetness of cinnamon sugar filling and topping, creating layers of irresistible flavor and tender crumb. It’s the perfect way to use up that extra starter, turning what might be wasted into a show-stopping treat that fills your kitchen with amazing aromas and your heart with joy. Trust me, once you try this coffee cake, it’s going to become a favorite weekend ritual or a special breakfast surprise to share with loved ones.

Ingredients You’ll Need

Two side-by-side photos show a silver mixing bowl on a white marbled texture. The left photo shows dry light brown powder and white powder mixed with a small amount of liquid that looks pale yellow and a small pool of brown liquid inside the bowl. A silver fork is placed inside the bowl. The right photo shows the same bowl with the ingredients mixed into a dense, crumbly, light brown mixture. The silver fork rests inside the bowl on the mixture. photo taken with an iphone --ar 4:5 --v 7

Simple ingredients come together here to create layers of buttery, cinnamon-sweet goodness with a hint of tanginess from the sourdough discard. Each item plays an essential role, from moisture and rise to flavor and texture, making this recipe approachable yet deeply satisfying.

  • Butter (½ cup softened, plus 6 tablespoons melted): Adds richness and a tender crumb, as well as a luscious buttery topping for the cinnamon sugar.
  • White sugar (1½ cup): Sweetens the batter evenly without overpowering the subtle tang of the sourdough.
  • Vanilla extract (2 teaspoons): Enhances the cake’s flavor with warm, floral notes, creating depth.
  • Eggs (2): Provide structure and help the cake rise while keeping it moist.
  • Whole milk (1 cup): Offers creaminess and moisture for a tender crumb.
  • Sourdough discard or active starter (1 cup): The star ingredient that adds subtle tang and wonderful texture.
  • Baking powder (4 teaspoons): Helps the cake rise beautifully for a light and fluffy texture.
  • All-purpose flour (3 cups): The cake’s foundation, balancing density and lightness perfectly.
  • Brown sugar (1½ cup): Combined with cinnamon, it forms the luscious, caramel-like filling and crunchy topping.
  • Flour (5 tablespoons): Mixed with brown sugar to give structure to the cinnamon sugar layer.
  • Ground cinnamon (4 teaspoons): Infuses the filling and topping with warm, spicy notes essential to classic coffee cake flavor.

How to Make Discard Sourdough Coffee Cake Recipe

Step 1: Prepare the Cinnamon Sugar Filling & Topping

Start by mixing brown sugar, flour, and cinnamon in a bowl until well combined. Then, pour in the melted butter and stir until the mixture holds together slightly. This blend is what makes the cake’s gooey middle and crunchy top so irresistible, so set it aside for now.

Step 2: Make the Coffee Cake Batter

Preheat your oven to 375℉ (190℃). In a large bowl, cream together the softened butter and white sugar until light and fluffy. This step is key to a tender cake base. Next, beat in the vanilla extract, eggs, whole milk, and of course, the sourdough discard or active starter. The discard not only adds a subtle tang but also keeps the crumb wonderfully moist and tender.

Step 3: Add Dry Ingredients

Combine the baking powder with the all-purpose flour. Gradually mix this dry blend into the wet ingredients just until everything comes together. Avoid overmixing here to maintain a soft, airy texture.

Step 4: Assemble the Cake

Generously grease a 9×13 baking pan to help your coffee cake release easily after baking. Pour half of the batter into the pan and spread evenly. Next, sprinkle half of the prepared cinnamon sugar mixture over the batter, embracing every corner for maximum flavor. Pour the remaining batter on top, smoothing it out gently. Finally, crumble the rest of the cinnamon sugar mixture over the surface like a sparkling, sugary crown.

Step 5: Bake to Golden Perfection

Pop the pan into your preheated oven and bake for 40 to 45 minutes. Keep an eye on that golden top and test for doneness with a toothpick inserted in the middle — it should come out clean. Let the cake cool in the pan to set the layers, making it easier to slice and serve.

How to Serve Discard Sourdough Coffee Cake Recipe

A close-up of a thick slice of cinnamon coffee cake on a white plate, showing a crumbly top layer with a mix of golden brown and dark cinnamon swirls. The middle layer is light yellow, soft and fluffy with a visible dark cinnamon swirl spreading through the center. In the background, a glass baking dish holds the remaining coffee cake with a textured golden brown top and a soft yellow base. A silver fork rests on the plate next to the cake slice, all placed on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Garnishes

While the cinnamon sugar topping is luscious as is, adding a light dusting of powdered sugar before serving gives the cake a delicate, bakery-style finish. For extra indulgence, a simple drizzle of cream cheese glaze or even a handful of toasted nuts adds wonderful texture and richness.

Side Dishes

This coffee cake pairs beautifully with a steaming mug of your favorite coffee or a latte for a morning treat. For an afternoon delight, serve alongside fresh fruit or a dollop of whipped cream to bring a refreshing contrast to the buttery layers.

Creative Ways to Present

Cut the cake into rustic squares for a casual brunch spread or use mini muffin tins to create individual coffee cake bites, perfect for parties or gifting. You can also layer slices with fresh berries and cream for an inviting dessert parfait that will wow your guests.

Make Ahead and Storage

Storing Leftovers

The discard sourdough coffee cake keeps wonderfully in an airtight container at room temperature for up to three days. The flavors only deepen as it rests, making the next day’s slice even more delicious.

Freezing

If you want to enjoy this delicious cake later, wrap individual slices tightly in plastic wrap and place in a freezer-safe bag. Frozen properly, they will stay fresh for up to two months without losing any flavor or texture.

Reheating

To revive the warm, melt-in-your-mouth quality, gently reheat slices in the microwave for about 20-30 seconds or in a low oven until just warmed through. This brings back that fresh-from-the-oven feel and enhances the cinnamon aroma beautifully.

FAQs

Can I use active sourdough starter instead of discard in this recipe?

Yes, you can use either sourdough discard or an active starter. The key difference is that discard is usually unfed starter, so using active starter may add a bit more rise and tang, but the recipe works wonderfully with both.

Is it necessary to use melted butter in the cinnamon sugar topping?

Melted butter binds the dry ingredients together to create that signature gooey, crumbly texture essential for the topping and filling layers. Using melted butter is highly recommended for the best results.

Can I substitute whole milk with a non-dairy milk?

Absolutely! Plant-based milks like almond, oat, or soy milk work well as substitutes, though they might subtly affect the cake’s flavor and richness. Opt for unsweetened varieties to keep the balance right.

How can I make this coffee cake gluten-free?

Try using a gluten-free all-purpose flour blend designed for baking, maintaining the same measurements. It might change the texture slightly, but the cake’s delicious flavors will still shine through.

What is the best way to prevent the cake from drying out?

Be careful not to overbake and store the cake in an airtight container once cooled. The sourdough discard helps retain moisture naturally, but proper storage is key to keeping each slice tender and fresh.

Final Thoughts

This Discard Sourdough Coffee Cake Recipe has quickly become one of my favorite ways to celebrate sourdough starter in a new and delicious light. It’s wonderfully easy, delightfully flavorful, and offers so much comfort in every bite. Whether you’re baking for family, friends, or yourself, I promise this cake will bring smiles and cozy good feelings around the table. So go ahead, give it a try, and enjoy the magic of turning sourdough discard into something truly special!

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Discard Sourdough Coffee Cake Recipe

Discard Sourdough Coffee Cake Recipe

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4.3 from 21 reviews

This Discard Coffee Cake is a delightful way to use sourdough discard or active starter, creating a moist, tender coffee cake layered and topped with a buttery cinnamon sugar filling. Perfect for breakfast or a sweet snack, it combines classic flavors with an easy-to-make recipe that yields a generous 15 servings.

  • Total Time: 1 hour
  • Yield: 15 servings

Ingredients

Cake Batter

  • ½ cup butter (1 stick, softened)
  • 1½ cups white sugar
  • 2 teaspoons vanilla extract
  • 2 eggs
  • 1 cup whole milk
  • 1 cup sourdough discard or active starter
  • 4 teaspoons baking powder
  • 3 cups all-purpose flour

Cinnamon Sugar Filling & Topping

  • 1½ cups brown sugar
  • 5 tablespoons flour
  • 4 teaspoons ground cinnamon
  • 6 tablespoons butter (melted)

Instructions

  1. Prepare Cinnamon Sugar Filling & Topping: In a bowl, thoroughly stir together the brown sugar, flour, and ground cinnamon. Add the melted butter to the mixture and mix well until combined. Set this mixture aside for layering and topping the cake.
  2. Make the Coffee Cake Batter: Preheat your oven to 375℉ (190℃). In a large mixing bowl, cream the softened butter together with the white sugar until light and fluffy. Add the vanilla extract, eggs, whole milk, and sourdough discard or active starter. Mix these wet ingredients together until fully incorporated.
  3. Add Dry Ingredients: Sprinkle in the baking powder and all-purpose flour into the wet ingredients. Mix gently until just combined to avoid overmixing, which could toughen the cake.
  4. Assemble the Cake: Generously grease a 9×13 inch baking pan. Pour half of the coffee cake batter evenly into the pan. Spread half of the cinnamon sugar mixture over the batter. Pour the remaining batter on top to cover the filling layer. Finally, crumble the remaining cinnamon sugar mixture over the top as the topping.
  5. Bake: Place the pan in the preheated oven and bake for 40-45 minutes until the top is golden brown and a toothpick inserted into the center of the cake comes out clean, indicating it is fully cooked.
  6. Cool and Serve: Remove the coffee cake from the oven and allow it to cool in the pan before slicing. This makes slicing easier and helps the flavors set.

Notes

  • Sourdough discard can be substituted with an active sourdough starter or omitted for a more traditional coffee cake, but the discard adds moisture and tang.
  • Make sure to cream the butter and sugar well for a light and fluffy cake texture.
  • Don’t overmix once the flour is added to keep the crumb tender.
  • Use a 9×13 inch pan for proper baking and portion size.
  • Allow the cake to cool sufficiently before slicing to prevent crumbling.
  • Author: Olivia
  • Prep Time: 15 minutes
  • Cook Time: 45 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

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