Hi, I’m Sophie Bennett. I’m happy you’re here to make cinnamon streusel coffee cake with me. I love a dessert with a clear method and a little room for your own finishing touch. Today we’re aiming for a tender sour cream cake with a cinnamon ribbon and crisp crumb topping, with each stage laid out so you can work at a comfortable pace.
This recipe makes 9 squares. Read through the directions first, set out the 9-inch square metal pan, and plan for the resting time before you begin. That small bit of preparation makes it easier to enjoy the process and serve the dessert at its best.
Why This Recipe Is Awesome
The appeal is a tender sour cream cake with a cinnamon ribbon and crisp crumb topping. Sour cream supports a tender cake beneath a loose cinnamon streusel. A little of the crumb mixture goes through the middle, so the cinnamon flavor is present in each slice rather than only on top. Cooling protects that soft interior when cutting the squares.
Ingredients You’ll Need
The recipe card gives the complete quantities for every component. These ingredient notes explain a few details that make the method easier to follow.
- Flour supplies structure; spoon and level it, or use the gram weight so the mixture does not become unnecessarily dry.
- Butter contributes flavor and texture. Use it cold, softened, or melted exactly where specified; those states perform different jobs.
- Sugar controls sweetness and also affects tenderness. Keep the measured amount rather than making a large reduction on the first attempt.
- Heavy cream contributes richness and, when whipped, structure. Keep whipping cream cold and stop before it becomes grainy.
Check the ingredient temperature before starting. Cold butter is important for a flaky dough, while softened butter or room-temperature dairy may be specified for a batter; use the state named in this particular recipe.

Tools & Accessories for This Recipe
Choose equipment that suits the recipe size and your workspace. These basic tools help with measuring, mixing, and handling the finished dessert.
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- 9-inch square metal pan — the specified size and shape for this batch. Find on Amazon
- Digital Kitchen Scale — measuring flour without compacting it in a cup. Find on Amazon
- Mixing Bowls — preparing dry and wet components separately. Find on Amazon
- Measuring Spoons — measuring small amounts of leavening accurately. Find on Amazon
- Silicone Spatula — folding the mixture gently and scraping the bowl. Find on Amazon
- Wire Cooling Rack — letting steam escape before finishing and storing. Find on Amazon
Step-by-Step Instructions
- Heat the oven to 350°F (175°C). Grease the pan and line with a parchment sling. Keep streusel ingredients separate from cake ingredients.
- Combine streusel flour, brown sugar, and cinnamon. Cut in cold streusel butter until uneven crumbs form, then refrigerate while mixing the cake.
- Whisk cake flour, baking powder, baking soda, and salt. Beat cake butter and sugar for 3 minutes until light and creamy.
- Beat in eggs individually and add vanilla. Mix in half the dry ingredients, then sour cream, then remaining dry ingredients, using low speed.
- Spread half the thick batter in the pan. Scatter one-third of the streusel over it, then spoon and gently spread the remaining batter.
- Scatter remaining streusel across the top without pressing it down. Bake 35–45 minutes until a tester through the cake portion has no wet batter.
- Let cool in the pan on a rack for about 45 minutes. The crumb and streusel become easier to cut as the cake settles.
- Lift out and cut into nine squares with a sharp knife. Serve slightly warm or at room temperature, keeping the remaining cake covered after cooling.

Put the prepared pan or sheet beside the mixing bowl before combining the final ingredients. Moving directly from mixing to portioning reduces unnecessary handling and helps keep the texture consistent across the batch.
Common Mistakes to Avoid
- Spread the upper batter gently over the middle crumbs rather than stirring the layers together.
- Overmixing after flour meets liquid can make the crumb firm. Fold just until the dry pockets disappear.
- Uneven portions or an uneven pan layer finish at different times. Divide the mixture consistently before baking.
- Covering while warm traps moisture around the bases. Cool on a rack before wrapping or closing a storage container.
Alternatives & Substitutions
Add 1/2 cup chopped toasted pecans to the streusel for a crunchy topping, noting the tree nuts.
Keep the base proportions intact when making this variation. Ingredients that provide setting power, moisture, or structure need a separately developed adjustment rather than a casual substitution.
Storage and Serving
Keep covered at cool room temperature up to 2 days or refrigerate up to 5 days. Freeze individual squares up to 2 months.
Ingredient check: this recipe includes wheat, milk, eggs. Review packaged ingredients for additional allergens and use clean equipment when preparing food for guests.
FAQ
Can I prepare this ahead?
Keep covered at cool room temperature up to 2 days or refrigerate up to 5 days. Keep any finishing garnish separate when the method recommends adding it close to serving.
Which equipment size should I use?
Use the 9-inch square metal pan specified for this batch. Changing the depth or portion size changes how quickly the center heats, chills, or freezes.
Does coffee cake contain coffee?
This version does not. The name describes a cake commonly served alongside coffee; its flavor comes from vanilla, sour cream, and the cinnamon streusel.
What flavor variation works here?
Add 1/2 cup chopped toasted pecans to the streusel for a crunchy topping, noting the tree nuts. Keep the remaining quantities unchanged for this small variation.
How do I know it is ready?
Use the center, edge, and underside cues in the method rather than relying only on color. Leave enough cooling time for the crumb and any filling to settle before serving.
Can I make a larger batch?
Start with the quantities written for your first attempt. For more servings, separate batches or matching containers are easier to manage than making one much deeper layer and guessing the timing.
What should I check before beginning?
Read the method from start to finish, including the resting stages. Measure each component separately and prepare the pan or serving container before the mixture is ready to transfer.

Cinnamon Streusel Coffee Cake
Ingredients
Equipment
Method
- Heat the oven to 350°F (175°C). Grease the pan and line with a parchment sling. Keep streusel ingredients separate from cake ingredients.
- Combine streusel flour, brown sugar, and cinnamon. Cut in cold streusel butter until uneven crumbs form, then refrigerate while mixing the cake.
- Whisk cake flour, baking powder, baking soda, and salt. Beat cake butter and sugar for 3 minutes until light and creamy.
- Beat in eggs individually and add vanilla. Mix in half the dry ingredients, then sour cream, then remaining dry ingredients, using low speed.
- Spread half the thick batter in the pan. Scatter one-third of the streusel over it, then spoon and gently spread the remaining batter.
- Scatter remaining streusel across the top without pressing it down. Bake 35–45 minutes until a tester through the cake portion has no wet batter.
- Let cool in the pan on a rack for about 45 minutes. The crumb and streusel become easier to cut as the cake settles.
- Lift out and cut into nine squares with a sharp knife. Serve slightly warm or at room temperature, keeping the remaining cake covered after cooling.
Notes
- Yield: 9 squares
- Oven/heat: 350°F (175°C)
- Pan/container: 9-inch square metal pan
- Includes staged baking or stovetop work where applicable; use the texture cues in the method.
- Times are approximate: cook/bake 40 minutes (approximate); cooling/chilling/resting 45 minutes (approximate; see method); total 1 hour 50 minutes (approximate).
- Spread the upper batter gently over the middle crumbs rather than stirring the layers together.
- Add 1/2 cup chopped toasted pecans to the streusel for a crunchy topping, noting the tree nuts.
- Keep covered at cool room temperature up to 2 days or refrigerate up to 5 days. Freeze individual squares up to 2 months.
- Nutrition values are not provided; no calculated nutrition data is included.

Final Thoughts
Cinnamon Streusel Coffee Cake is a lovely excuse to slow down and make something sweet. Give the recipe its measuring, mixing, and resting time, then enjoy a tender sour cream cake with a cinnamon ribbon and crisp crumb topping. Keep the recipe card handy for your next batch, and choose a simple finish that lets the dessert itself shine.



