Name: Easy Cake Mix Coffee Cake
Prep time: 15 min
Cook time: 40 min
Total time: 55 min
Cuisine: American
Ingredients: 1 box yellow cake mix; 3 large eggs; 1 cup sour cream; 1/2 cup water; 1/2 cup vegetable oil; 1 cup brown sugar; 2 teaspoons ground cinnamon; 1 cup all-purpose flour; 1/2 cup cold butter; 1 cup powdered sugar; 2 tablespoons milk; 1/2 teaspoon vanilla extract

Ever need a sweet bake that tastes homemade without pulling out half the pantry? Easy Cake Mix Coffee Cake is the kind of comforting treat that comes together fast, bakes up soft and golden, and fills the kitchen with that warm cinnamon bakery smell everyone loves.

This cake is perfect for relaxed mornings, casual brunch tables, afternoon coffee breaks, or those moments when you want something simple but still a little special. With a buttery cake base, a rich cinnamon crumble, and a sweet drizzle on top, this Easy Cake Mix Coffee Cake gives you big flavor with very little fuss.

Preparation Phase & Tools to Use

Before you begin, set out everything you need so the mixing process stays easy and smooth. This is a straightforward bake, but having the right tools makes a big difference in texture, even baking, and cleanup.

A 9×13-inch baking dish is the best choice because it gives the cake enough room to rise while keeping the crumb layer nicely spread across the top. A large mixing bowl helps you combine the cake batter without spills, and a medium bowl is useful for stirring together the cinnamon crumble topping. A whisk or sturdy spoon helps blend the batter until smooth, while a rubber spatula makes it easier to scrape down the bowl so nothing goes to waste. You will also want measuring cups and spoons for accuracy, especially when making the streusel and glaze. Finally, an oven preheated properly and a cooling rack help the cake bake evenly and cool without turning soggy underneath.

Ingredients for the Easy Cake Mix Coffee Cake

Each ingredient in this cake has a job to do, and together they create that tender, cinnamon-swirled texture that makes coffee cake so satisfying.

Yellow cake mix creates the base of the cake and keeps the recipe simple while still giving you a soft, fluffy crumb.

Eggs add structure and help the batter bake up rich and stable.

Sour cream brings moisture and a slight tang, which makes the cake taste more balanced and homemade.

Water loosens the batter just enough so it spreads evenly in the pan.

Vegetable oil adds tenderness and keeps the cake soft for days.

Brown sugar is the heart of the crumble topping, bringing caramel-like sweetness and depth.

Ground cinnamon gives the cake its classic coffee cake flavor and warm aroma.

All-purpose flour helps turn the topping into a crumb instead of a syrupy layer.

Cold butter binds the topping together and creates those delicious buttery clusters once baked.

Powdered sugar forms the base of the glaze and gives the finished cake a soft sweetness.

Milk thins the glaze so it can be drizzled smoothly over the cooled cake.

Vanilla extract rounds out the glaze with a mellow bakery-style flavor.

How To Make the Easy Cake Mix Coffee Cake

This cake comes together in simple stages, and each one builds the soft layers and crumbly top that make it so good.

Step 1: Prep the pan and oven

Preheat your oven to 350°F. Grease a 9×13-inch baking dish well so the cake releases easily after baking. If you like extra insurance, you can lightly dust the dish with flour after greasing.

Step 2: Mix the cake batter

In a large bowl, combine the yellow cake mix, eggs, sour cream, water, and vegetable oil. Stir until the batter is smooth and fully blended. Make sure there are no dry streaks left in the mix.

Step 3: Make the cinnamon crumble

In a separate medium bowl, stir together the brown sugar, ground cinnamon, and all-purpose flour. Cut in the cold butter using a fork or pastry cutter until the mixture forms small crumbs. You want a texture that looks sandy with a few larger buttery bits.

Step 4: Layer the batter

Spread about half of the cake batter into the prepared baking dish. Spoon or sprinkle part of the crumble mixture over that first layer. Add the remaining batter on top and gently spread it out so it covers the crumble as evenly as possible.

Step 5: Add the topping

Scatter the rest of the crumble mixture over the top of the batter. Try to cover the surface from edge to edge so every slice gets that signature cinnamon topping.

Step 6: Bake until golden

Bake for 35 to 40 minutes, or until the center is set and a toothpick inserted into the cake comes out with a few moist crumbs but no wet batter. The top should look lightly golden and slightly crisp in spots.

Step 7: Cool and glaze

Let the cake cool in the pan for at least 20 to 30 minutes. In a small bowl, whisk together the powdered sugar, milk, and vanilla extract until smooth. Drizzle the glaze over the warm or cooled cake, then let it settle before slicing.

Serving and Storing Easy Cake Mix Coffee Cake

Easy Cake Mix Coffee Cake is best served slightly warm or at room temperature. It pairs beautifully with hot coffee, chai, tea, or even a cold glass of milk. For brunch, you can serve it alongside fresh fruit, scrambled eggs, or a yogurt bowl to balance the sweetness.

To store it, cover the pan tightly or transfer slices to an airtight container. It will keep well at room temperature for up to 2 days or in the refrigerator for up to 5 days. For a just-baked feel, warm individual slices in the microwave for a few seconds before serving. You can also freeze slices individually, then thaw and reheat when you want a quick homemade treat.

Frequently Asked Questions

Can I use a different cake mix flavor?

Yes, but yellow cake mix gives the most classic coffee cake flavor. White cake mix or butter cake mix also work well.

Do I have to use sour cream?

Sour cream is one of the best ingredients for keeping the cake moist and tender, but plain Greek yogurt can work as a substitute.

Why is it called coffee cake if there is no coffee in it?

Coffee cake is usually named for being served with coffee rather than containing coffee in the batter.

Can I make this cake ahead of time?

Yes. This cake holds up very well, so you can bake it a day ahead and glaze it once cooled or just before serving.

How do I know when the cake is fully baked?

The center should be set, the edges lightly golden, and a toothpick inserted into the middle should come out with moist crumbs instead of wet batter.

Can I add nuts to the topping?

Absolutely. Chopped pecans or walnuts are a great addition if you want extra crunch in the crumble.

Want More Coffee Cake and Sweet Breakfast Ideas?

If this Easy Cake Mix Coffee Cake hits the spot, there are plenty of other cozy bakes to try next. For a fruit-forward version, take a look at the Moist Apple Crumble Coffee Cake, which brings the same comforting crumb topping with soft apple flavor folded in.

For another easy cake-mix style bake, the 2 Ingredient Pineapple Cake is a fun shortcut dessert with a totally different flavor profile but the same low-effort appeal. If you love cinnamon-forward treats, the Cinnamon Donut Bread Recipe is a great pick for breakfast or an afternoon snack.

Cheesecake lovers may also enjoy the rich, creamy bite of Mini Cinnamon Roll Cheesecakes, while anyone who wants another bakery-style sweet can try the Easy Jello Meringue Cookies for something light, colorful, and fun.

For even more daily recipe inspiration, browse my Pinterest collection on LadyPlate on Pinterest where I share more easy baking ideas, comfort food favorites, and crowd-pleasing treats.

Pin and Tell Me How Yours Turned Out

Save this Easy Cake Mix Coffee Cake for the next time you need a simple breakfast bake or an easy sweet treat for guests. It is the kind of recipe that is handy to keep around because it works for weekend brunch, holiday mornings, potlucks, and casual family gatherings.

When you make it, I would love to hear how it turned out. Did you keep it classic, add chopped nuts, or serve it warm with extra glaze? Leave a comment and share your spin on it. Seeing how others make these recipes their own is always part of the fun.