Blueberry Cinnamon Muffin Cake
Warm, Buttery, and Beautifully Uncomplicated
Some mornings deserve something special—quiet, slow ones where you’re still in your pajamas, sipping coffee, with no rush to be anywhere. But the last thing you want is to wrestle with a muffin tin, paper liners, and that frustrating uneven baking (why do the edge ones always finish first??).
I fixed that.
This isn’t just a recipe—it’s a quiet rebellion against fussy baking. It’s everything you love about blueberry muffins, dialed up with extra cinnamon and vanilla, poured into one simple baking dish, and left to the oven while you actually enjoy your morning.
No muffin tin. No liners. No hand mixer waking the house before you’re ready.
Just a wooden spoon, a bowl, and about 45 minutes until you’re cutting into warm, cinnamon-scented, blueberry-studded cake while the whole kitchen smells like the coziest kind of comfort.
The texture is tender and buttery, like the best bakery muffin, with golden edges that crisp just slightly. The flavor? Warm cinnamon in every bite, vanilla that feels like a gentle hug, and juicy blueberries bursting throughout.
Perfect for those lazy, lingering mornings when you want the house to smell incredible without spending the whole time in the kitchen.
Blueberry Cinnamon Muffin Cake
What You’ll Need:
2 cups all-purpose flour
2 teaspoons baking powder
1½ teaspoons ground cinnamon (yes, more than usual—trust me)
½ teaspoon salt
½ cup (1 stick) unsalted butter, melted and slightly cooled
¾ cup granulated sugar
2 large eggs, room temperature
1 tablespoon vanilla extract (the good stuff makes a difference)
¾ cup whole milk, room temperature
2 cups fresh or frozen blueberries (no need to thaw if frozen)
For the sparkly top:
2 tablespoons coarse sugar
½ teaspoon cinnamon
Let’s Make It:
1. Preheat your oven to 350°F. Generously butter a 9x9-inch baking dish (or use a 9x13 for thinner pieces—both work beautifully).
2. In a large bowl, whisk together the flour, baking powder, cinnamon, and salt. Pause for a moment to enjoy how good the cinnamon smells.
3. In a medium bowl, combine the melted butter and sugar. Stir with a wooden spoon or spatula for about 30 seconds until combined. Add the eggs and vanilla, stirring until smooth and golden. Pour in the milk and give it one more gentle stir.
4. Pour the wet ingredients into the dry. Stir gently just until no streaks of flour remain—a few lumps are totally fine (and actually keep everything tender).
5. Fold in the blueberries with a few careful strokes. A little purple streaking is not only okay, it’s beautiful.
6. Scrape the batter into your prepared dish and spread it roughly even (perfection not required). If you’re doing the topping, mix the coarse sugar and cinnamon and sprinkle it generously over the surface.
7. Bake for about 45 minutes, until the top is golden, it springs back lightly when pressed, and a toothpick in the center comes out clean or with just a few moist crumbs.
8. Let it cool for 10–15 minutes (the hardest step, I know). Then slice into generous squares and serve warm.
How I Love to Serve This:
With good butter and a drizzle of maple syrup alongside coffee
Slightly warm in the afternoon with a cup of tea
As dessert with a scoop of vanilla ice cream—the warm/cold contrast is pure comfort
Straight from the pan, standing at the counter, because some mornings call for that
It keeps beautifully for 3–4 days covered at room temperature. A quick 15–20 seconds in the microwave brings back that fresh-from-the-oven warmth.
A Few Notes from My Kitchen:
Room-temperature eggs and milk mix more easily and give the tenderest crumb
The extra cinnamon is what makes this feel so cozy and comforting
Frozen blueberries work perfectly—toss them in straight from the freezer
This is the kind of recipe I reach for on quiet, cozy mornings when I want something homemade and comforting without any fuss. Simple ingredients, one bowl, a wooden spoon, and something truly delicious filling the house with the best kind of scent while you’re still moving slowly.
Happy baking, friends. May your mornings be slow, your coffee strong, and your muffin cake always warm.
Cari Ann Carter is the best-selling author of Are Your Roots Right? Rightsize Your Space. Reclaim Your Life. and a multi-faceted entrepreneur with a passion for intentional living, design, and home.
She leads the Cari Ann Carter Group, bringing over 28 years of experience in real estate, design, build, and renovation, and is the creative voice behind DIY Designer Homestead.
Through Fresh Roots Living, she shares practical ideas for cooking, gardening, entertaining, and creating a home that supports your next chapter.