Gluten-Free Vanilla Cake (Soft, Moist & Classic)

About This Recipe

This gluten-free vanilla cake is the kind of “classic birthday cake” you want in your back pocket—soft, moist, and tender with real vanilla flavor and a simple, creamy buttercream on top.

It’s:

• Made with a 1:1 gluten-free flour blend (no gritty or gummy texture)
• Perfectly tender and moist, not dense or dry
• Ideal for birthdays, showers, holidays, and anytime cake is required
• Easy to adapt for cupcakes or a 9×13 pan

No one will guess it’s gluten-free.

Ingredients: What You’ll Need

Gluten-Free Vanilla Cake (Two 8-inch Layers)

Dry Ingredients

• 2 cups (260 g) gluten-free 1:1 all-purpose flour blend
  • Use a blend formulated for baking
• ½ tsp xanthan gum (omit if your blend already contains it)
• 2 tsp baking powder (gluten-free)
• ½ tsp baking soda
• ½ tsp fine sea salt

Wet Ingredients

• ¾ cup (170 g) unsalted butter, softened
• 1½ cups (300 g) granulated sugar
• 3 large eggs, room temperature
• 2–3 tsp vanilla extract
• 1¼ cups (300 ml) buttermilk, room temperature
  • Or 1¼ cups milk + 1 Tbsp lemon juice/vinegar (rest 5–10 minutes)

Vanilla Buttercream Frosting

• 1 cup (226 g) unsalted butter, softened
• 3½–4 cups (420–480 g) powdered sugar, sifted
• 3–5 Tbsp heavy cream or milk
• 2–3 tsp vanilla extract
• ¼ tsp fine sea salt

Instructions: Step-by-Step Preparation

1. Prep the Pans & Oven

1. Preheat oven to 175°C.
2. Grease and line two 20 cm (8-inch) round cake pans with parchment circles and grease the sides, or spray well with gluten-free baking spray.

2. Mix the Dry Ingredients

3. In a medium bowl, whisk together:
   • Gluten-free flour
   • Xanthan gum (if needed)
   • Baking powder
   • Baking soda
   • Salt
4. Set aside.

3. Cream Butter & Sugar

5. In a large bowl, beat softened butter and sugar on medium-high speed until pale and fluffy, about 3–4 minutes.
6. Scrape down the bowl as needed.

4. Add Eggs & Vanilla

7. Beat in eggs one at a time, mixing well after each addition.
8. Add vanilla extract and beat until fully combined and smooth.

5. Alternate Dry Ingredients & Buttermilk

9. With the mixer on low, add the dry ingredients in 3 additions, alternating with buttermilk in 2 additions:
   • Dry → Buttermilk → Dry → Buttermilk → Dry
10. Mix just until combined after each addition.
    • Don’t overmix; gluten-free batters can become gummy if overworked.

6. Rest the Batter (Optional but Helpful)

11. Let the batter rest for 5–10 minutes in the bowl.
    • This allows the gluten-free flour to hydrate and improve texture.

7. Bake the Cakes

12. Divide the batter evenly between the prepared pans and smooth the tops.
13. Bake at 175°C for 22–28 minutes, or until:
    • Tops are lightly golden
    • A toothpick inserted in the center comes out clean or with a few moist crumbs
14. Cool in pans for 10–15 minutes.
15. Run a knife around the edges, turn cakes out onto wire racks, remove parchment, and let cool completely.

Make the Vanilla Buttercream

16. In a large bowl, beat softened butter until creamy and light, about 2–3 minutes.
17. Add 2 cups of powdered sugar and beat on low until combined, then on medium until smooth.
18. Add vanilla, salt, and 3 Tbsp cream/milk; beat until fluffy.
19. Gradually add remaining powdered sugar, beating and tasting as you go:
    • Add more powdered sugar if you want it thicker/sweeter
    • Add more cream/milk if you want it softer/lighter
20. Beat 1–2 more minutes until light, smooth, and spreadable.

Assemble the Gluten-Free Vanilla Cake

21. If needed, level any domed tops of the cooled cakes with a serrated knife.
22. Place one cake layer on a serving plate or cake stand.
23. Spread a generous layer of buttercream over the top.
24. Place the second layer on top, pressing gently to adhere.
25. Apply a thin crumb coat (a very thin layer of frosting) over the sides and top. Chill 15–20 minutes to set.
26. Frost the entire cake with the remaining buttercream, smoothing or swirling as desired.
27. Decorate with sprinkles, berries, or piping if you’d like.

Allow the cake to sit at room temperature for ~20 minutes before slicing for the best texture.

How to Store It

• Room Temperature (Cool Room):
  • Keep covered for 1 day.
• Refrigerator:
  • Store covered for 3–4 days.
  • Bring to room temperature for 20–30 minutes before serving—gluten-free cakes firm up more when cold.
• Freezer:
  • Wrap unfrosted cake layers tightly in plastic wrap and foil and freeze up to 2 months.
  • Thaw at room temp (wrapped), then freeze.
  • Frosted cake slices can also be frozen; thaw in the fridge overnight.

Smart Ingredient Swaps

• Dairy-Free Gluten-Free Vanilla Cake:
  • Use plant-based milk + vinegar instead of buttermilk.
  • Use vegan butter in both cake and frosting.
• Lower Sugar:
  • Replace part of the granulated sugar with a 1:1 sugar substitute (baking-safe).
  • For frosting, you can use powdered sugar-free sweetener, but the texture and taste will differ slightly.
• Flavor Variations:
  • Add ½–1 tsp almond extract for a wedding-cake vibe.
  • Add lemon zest + 1–2 Tbsp lemon juice for a lemon-vanilla spin.

Tips for the Best Gluten-Free Vanilla Cake

• Use a good 1:1 gluten-free flour blend designed for cakes/baking.
• Make sure ingredients are at room temperature (especially eggs and buttermilk).
• Don’t overmix the batter once you add flour; gentle mixing yields a better crumb.
• Don’t overbake—check early and pull when a toothpick has moist crumbs.

Frequently Asked Questions

Why is my gluten-free vanilla cake dense or gummy?

• Common reasons:
  • Overmixing after adding flour
  • Too much liquid or a heavy/starchy GF flour blend
  • Overbaking
  • Solution: Mix gently, use a reliable 1:1 blend, and bake only until just done.

Can I make cupcakes with this recipe?

• Yes. Fill lined muffin tins about ⅔ full and bake at 175°C for 16–20 minutes. Makes about 20–24 cupcakes.

Can I bake it in a 9×13 pan?

• Yes. Pour all batter into a greased 9×13 pan and bake at 175°C for 28–35 minutes, checking doneness with a toothpick.

Do I have to use buttermilk?

• Buttermilk gives tenderness and flavor; but milk + lemon juice/vinegar works well as a substitute.