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A close-up view of a warm cinnamon roll cake being drizzled with a rich vanilla glaze from a spoon. The glaze cascades down the cinnamon swirls, creating a glossy, sweet finish that enhances the cake’s soft and fluffy texture.

Ultimate Cinna-Bun Cake Recipe

This Ultimate Cinna-Bun Cake combines the gooey, buttery goodness of cinnamon rolls with the ease of a cake. Warm, soft, and drizzled with vanilla glaze—every bite melts in your mouth!
Print Recipe Pin Recipe
Prep Time 25 minutes
Cook Time 25 minutes
Total Time 50 minutes
Course Breakfast, Dessert
Cuisine American
Servings 12
Calories 539 kcal

Equipment

  • Mixing bowls
  • Whisk
  • Electric mixer (optional)
  • Measuring cups & spoons
  • 9x13-inch baking dish
  • Spatula
  • Oven

Ingredients
  

Bottom Layer:

  • 3 cups all-purpose flour
  • 1 ½ cups milk
  • 1 cup white sugar
  • 2 eggs
  • 4 teaspoons baking powder
  • 2 teaspoons vanilla extract
  • ¼ teaspoon salt
  • ¼ cup butter melted

Top Layer:

  • 1 cup butter softened
  • 1 cup brown sugar
  • 2 tablespoons all-purpose flour
  • 1 tablespoon ground cinnamon
  • Glaze:
  • 2 cups confectioners' sugar
  • 5 tablespoons milk
  • 1 teaspoon vanilla extract

Instructions
 

  • Preheat oven to 350°F (175°C) and grease a 9x13-inch baking dish.
  • In a bowl, mix flour, sugar, baking powder, salt, eggs, milk, vanilla, and melted butter until smooth. Pour into the baking dish.
    A close-up view of a glass mixing bowl on a white marble cooktop, filled with flour, sugar, baking powder, salt, eggs, milk, vanilla, and melted butter. A wooden spoon is stirring the smooth, creamy batter, ensuring all ingredients are well combined before pouring it into a greased 9×13-inch baking dish.
  • In another bowl, combine softened butter, brown sugar, flour, and cinnamon to make the topping. Drop spoonfuls over the batter and swirl with a knife.
    A close-up shot of a second glass mixing bowl on a white marble cooktop, where softened butter, brown sugar, flour, and cinnamon are being mixed together with a fork. The mixture is thick and crumbly, forming a rich and aromatic cinnamon topping that will add a sweet and spiced swirl to the cake.
  • Bake for 35 minutes or until a toothpick inserted in the center comes out clean.
    A close-up shot of the golden-brown cinnamon roll cake fresh out of the oven, resting on the white marble cooktop. The swirled cinnamon layer has slightly crisped on top, while the cake appears fluffy and warm, ready to be glazed for the ultimate sweet treat.
  • While baking, whisk together confectioners' sugar, milk, and vanilla to make the glaze.
    A close-up shot of a glass mixing bowl on a white marble cooktop, where confectioners’ sugar, milk, and vanilla extract are being whisked together. The glaze is smooth, slightly thick, and glossy, making it perfect for drizzling over the warm cinnamon cake.
  • Once the cake is done, drizzle the glaze over the warm cake.
  • Let it cool slightly before slicing. Serve warm for the best flavor!
  • Store leftovers in an airtight container at room temperature for up to 3 days.
    A close-up view of a warm cinnamon roll cake being drizzled with a rich vanilla glaze from a spoon. The glaze cascades down the cinnamon swirls, creating a glossy, sweet finish that enhances the cake’s soft and fluffy texture.