Moist Coffee Cake Recipe: The Secret to Never-Dry Cake!
There’s nothing quite like a slice of warm, tender coffee cake alongside a steaming cup of coffee (or tea!). But let’s be honest, too many coffee cake recipes result in a dry, crumbly disappointment. This recipe, however, is different. It’s designed to deliver a consistently moist, flavorful, and utterly irresistible coffee cake every single time. From the buttery, rich cake base to the sweet, crunchy streusel topping, every element works in harmony to create the perfect balance of textures and tastes. Get ready to impress your family and friends (and yourself!) with this foolproof recipe that will redefine your definition of coffee cake.
Why This Recipe Works
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This isn’t just another coffee cake recipe; it’s a carefully crafted formula for guaranteed moistness and deliciousness. Here’s why it works:
- Sour Cream Power: The secret ingredient is sour cream! It adds moisture, tenderness, and a subtle tang that enhances the overall flavor. Sour cream’s acidity also helps to activate the baking soda, leading to a lighter, fluffier cake.
- Oil and Butter: We use a combination of oil and butter. Oil contributes to the cake’s moistness and keeps it soft for days, while butter provides that classic buttery flavor we all crave.
- Buttermilk Boost: Buttermilk, similar to sour cream, adds moisture and tang while also tenderizing the gluten in the flour, resulting in a more delicate crumb.
- Generous Streusel: The streusel topping isn’t just for show; it adds a delightful textural contrast and a burst of sweetness that complements the cake perfectly. A generous amount ensures every bite is satisfying.
- Proper Mixing Technique: We use the creaming method for the butter and sugar, which incorporates air into the batter, contributing to a light and airy texture. Avoiding overmixing is crucial to prevent a tough cake.
Ingredients
For the Cake:
- 2 cups all-purpose flour
- 1 teaspoon baking powder
- 1/2 teaspoon baking soda
- 1/4 teaspoon salt
- 1 cup (2 sticks) unsalted butter, softened
- 1 3/4 cups granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 1 cup sour cream
- 1/2 cup buttermilk
For the Streusel Topping:
- 1 cup all-purpose flour
- 1/2 cup packed light brown sugar
- 1/2 cup granulated sugar
- 1/2 teaspoon ground cinnamon
- 1/2 cup (1 stick) unsalted butter, cold and cut into cubes

Instructions
- Preheat and Prep: Preheat your oven to 350°F (175°C). Grease and flour a 9×13 inch baking pan. This prevents the cake from sticking.
- Combine Dry Ingredients (Cake): In a medium bowl, whisk together the flour, baking powder, baking soda, and salt. Set aside.
- Cream Butter and Sugar: In a large bowl, cream together the softened butter and granulated sugar until light and fluffy. This usually takes about 3-5 minutes with an electric mixer.
- Add Eggs and Vanilla: Beat in the eggs one at a time, then stir in the vanilla extract. Make sure each egg is fully incorporated before adding the next.
- Alternate Dry and Wet Ingredients: Gradually add the dry ingredients to the wet ingredients, alternating with the sour cream and buttermilk. Begin and end with the dry ingredients. Mix until just combined. Be careful not to overmix; a few streaks of flour are okay.
- Prepare the Streusel: In a separate bowl, combine the flour, brown sugar, granulated sugar, and cinnamon. Cut in the cold butter using a pastry blender or your fingertips until the mixture resembles coarse crumbs. The colder the butter, the better the streusel will hold its shape.
- Assemble the Cake: Pour the cake batter into the prepared baking pan and spread evenly. Sprinkle the streusel topping evenly over the batter.
- Bake: Bake for 35-40 minutes, or until a wooden skewer inserted into the center comes out clean. The top should be golden brown, and the edges should be slightly pulling away from the pan.
- Cool: Let the coffee cake cool in the pan for at least 15-20 minutes before slicing and serving. This allows the cake to set and makes it easier to cut.
Tips for Success
Here are a few extra tips to ensure your coffee cake is a masterpiece:
- Room Temperature Ingredients: Using room temperature butter, eggs, and sour cream is crucial for proper emulsification and a smooth batter.
- Don’t Overmix: Overmixing develops the gluten in the flour, resulting in a tough cake. Mix until just combined.
- Check for Doneness: Use a wooden skewer to check for doneness. If it comes out with wet batter, bake for a few more minutes and check again.
- Adjust Baking Time: Oven temperatures can vary, so adjust the baking time accordingly. If the top is browning too quickly, tent it loosely with foil.
- Add Nuts: For extra flavor and texture, add chopped nuts (such as pecans or walnuts) to the streusel topping.
- Citrus Zest: A teaspoon of lemon or orange zest added to the cake batter can brighten the flavor.
Storage Instructions
To keep your coffee cake moist and delicious, follow these storage tips:
- Room Temperature: Store the coffee cake in an airtight container at room temperature for up to 3 days.
- Refrigerator: For longer storage, store the coffee cake in an airtight container in the refrigerator for up to 5 days. Let it come to room temperature before serving.
- Freezer: For long-term storage, wrap the coffee cake tightly in plastic wrap and then foil, or place it in a freezer-safe container. Freeze for up to 2 months. Thaw overnight in the refrigerator before serving.

FAQ
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Here are some frequently asked questions about this coffee cake recipe:
- Can I use Greek yogurt instead of sour cream? Yes, you can substitute Greek yogurt for sour cream in equal amounts. It will provide a similar tang and moisture.
- Can I use milk instead of buttermilk? While buttermilk is preferred for its flavor and tenderizing qualities, you can use milk with a teaspoon of lemon juice or vinegar added to it. Let it sit for 5 minutes before using.
- Can I make this recipe gluten-free? Yes, you can substitute a gluten-free all-purpose flour blend for the regular all-purpose flour. Be sure to use a blend that contains xanthan gum.
- Can I use a different size pan? A 9×13 inch pan is ideal for this recipe. Using a smaller pan will require a longer baking time, and the cake may be denser.
- My streusel topping is sinking into the cake. What did I do wrong? This can happen if the streusel is too fine or if the batter is too wet. Make sure the butter in the streusel is cold and cut into larger pieces. Also, avoid overmixing the batter.
Conclusion
This moist coffee cake recipe is a guaranteed winner. Its perfect balance of flavors and textures, coupled with its foolproof instructions, make it a recipe you’ll turn to again and again. Whether you’re serving it for breakfast, brunch, or dessert, this coffee cake is sure to be a crowd-pleaser. So, gather your ingredients, preheat your oven, and get ready to bake the most delicious and moist coffee cake you’ve ever tasted! Enjoy!