Gluten Free Sour Cream Coffee Cake
Few baked goods feel as indulgent and comforting as a tender, crumb-topped coffee cake, and this version delivers every bit of that cozy magic without a speck of wheat flour. Full-fat sour cream is the real secret here — it keeps the crumb incredibly moist and rich while helping the gluten free flour blend behave beautifully, so you never get that gummy or gritty texture that can plague wheat-free baking. A double layer of brown sugar and cinnamon streusel runs through the center and blankets the top, giving you that signature crunch in every single slice. The sweet vanilla glaze drizzled over the warm cake takes it completely over the top. This recipe makes 12 generous servings, so it's perfect for a weekend brunch, a holiday morning, or any time you want to show up somewhere with something truly impressive. Because every component is built from scratch with clearly labeled ingredients, you stay in full control of what goes into the pan — no label-reading anxiety required. It's the kind of cake that makes people ask for the recipe before they've even finished their first piece.
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Learn more →Ingredients
12 servings
For the cake
- 2 cups gluten free flour blend
- 1 tsp baking powder
- 1 tsp baking soda
- ½ tsp salt
- ½ cup unsalted butter, softened
- 1 cup granulated sugar
- 2 large eggs, room temperature
- 1 tsp vanilla extract
- 1 cup full-fat sour cream
For the streusel
- ¾ cup packed light brown sugar
- ½ cup gluten free flour blend
- 1 ½ tsp ground cinnamon
- ¼ tsp salt
- 4 tbsp unsalted butter, cold and cut into small pieces
For the glaze
- 1 cup powdered sugar, sifted
- 2 tbsp milk
- ¼ tsp vanilla extract
Instructions
- 1
Preheat the oven to 350°F (175°C). Grease a 9-inch tube pan or 10-inch Bundt pan thoroughly, making sure to coat all the crevices.
- 2
Make the streusel: In a medium bowl, combine the brown sugar, 1/2 cup gluten free flour blend, cinnamon, and 1/4 tsp salt. Add the cold butter pieces and work them in with your fingertips until the mixture resembles coarse, clumpy crumbs with some pea-sized pieces remaining. Set aside.
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