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My best Vanilla Cake - stays moist 4 days!
5 from 1,958 votes

My best Vanilla Cake - stays moist 4 days!

This vanilla cake recipe yields a tender, moist crumb that remains soft for up to four days, thanks to a blend of butter, milk, oil, and careful egg aeration. It uses all-purpose or cake flour, with whipped eggs and sugar providing lift and a delicate texture. The cake's subtle sweetness and balanced vanilla flavor make it a versatile base suitable for buttercream frosting or other toppings, satisfying for multiple servings or occasions.

Prep Time
20 mins
Cook Time
30 mins
Cooling
2 hrs
Servings: 10 - 12
Calories: 339 kcal
Course: Cake
Cuisine: American

Ingredients

  • 2 cups all-purpose flour cake flour OK too, Note 1, plain
  • 2 1/2 teaspoons baking powder (check it's still active, Note 2)
  • 1/4 tsp salt kosher salt, cooking
  • 4 egg 50 - 55g / 2 oz each), at room temp (Note 3, large
  • 1 1/2 cups caster sugar granulated/regular ok too, Note 2, aka superfine sugar
  • 115g / 1/2 cup butter cut into 1.5cm / 1/2” cubes (or so, unsalted
  • 1 cup milk , full fat (Note 5)
  • 3 tsp vanilla extract , the best you can afford (Note 6)
  • 3 tsp vegetable oil Note 7, or canola oil
Vanilla Buttercream
  • 225g / 2 sticks butter softened, unsalted
  • 500g / 1 lb icing sugar SIFTED, soft, aka powdered sugar
  • 3 tsp vanilla extract
  • 2 - 4 tbsp milk , to adjust thickeness

Instructions

Preparation:
    Cup of Yum
  1. Preheat oven to 180°C/350°F (160°C fan) for 20 minutes before starting the batter (Note 8). Place shelf in the middle of the oven.
  2. Grease 2 x 20cm / 8” cake pans with butter, then line with parchment / baking paper. (Note 9 more pan sizes) Best to use cake pan without loose base, if you can.
Combine Dry Ingredients:
  1. Whisk flour, baking powder and salt in a large bowl. Set aside.
Beat eggs until aerated:
  1. 30 sec beat: Beat eggs for 30 seconds on speed 6 of a Stand Mixer fitted with a whisk attachment, or hand beater.
  2. Slowly add sugar: With the beater still going, pour the sugar in over 45 seconds.
  3. Triple volume: Then beat for 7 minutes on speed 8, or until tripled in volume and white.
Finish cake batter:
  1. Heat Milk-Butter (Note 5): While egg is beating, place butter and milk in a heatproof jug and microwave 2 minutes on high to melt butter (or use stove).
  2. Gently add flour: When the egg is whipped, scatter 1/3 flour across surface, then beat on Speed 1 for 5 seconds. Add half remaining flour, then mix on Speed 1 for 5 sec. Add remaining flour, then mix on Speed 1 for 5 - 10 sec until the flour is just mixed in. Once you can’t see flour, stop straight away.
  3. Combine milk, vanilla & oil - Pour hot milk, vanilla and oil into the now empty flour bowl.
  4. Lighten with some Egg Batter: Add about 1 1/2 cups (2 ladles or so) of the Egg Batter into the Milk-Butter (don't need to be 100% accurate with amount). Use a whisk to mix until smooth - you can be vigorous here. Will look foamy.
  5. Slowly add milk: Turn beater back on Speed 1 then pour the Milk mixture into the Egg Batter over 15 seconds, then turn beater off.
  6. Scrape and final mix: Scrape down sides and base of bowl. Beat on Speed 1 for 10 seconds - batter should now be smooth and pourable.
Bake:
  1. Pour batter into pans.
  2. Knock out bubbles: Bang each cake pan on the counter 3 times to knock out big bubbles (Note 10 for why)
  3. Bake 30 minutes or until golden and toothpick inserted into centre comes out clean.
Cool & frost:
  1. Turn out & cool: Remove from oven. Cool in cake pans for 15 minutes, then gently turn out onto cooling racks. If using as layer cakes, cool upside down - slight dome will flatten perfectly. Level cake = neat layers.
  2. Frost: Once cake layers are fully cool, top with frosting of choice, or cream and fresh berries or jam. See list of ideas in post!
Vanilla Buttercream:
  1. Beat butter with paddle attachment in stand mixer for 3 minutes on high until it changes from yellow to almost white, and it becomes fluffy and creamy.
  2. Add icing sugar / powdered sugar gradually in 3 lots, beating slowly (to avoid a powder storm) then once mostly incorporated, beat on high for a full 3 minutes until fluffy.
  3. Add vanilla and milk, then beat for a further 30 seconds. Use milk only if needed to make it lovely and soft but still holds it's form (eg for piping). Use immediately. (If you make ahead, refrigerate then beat to re-fluff).

Notes

  • Use fresh, room temperature eggs to maximize volume when whipping for a light texture.
  • Check your baking powder is active to ensure proper cake rise.
  • Heat milk and butter together without boiling; use hot mixture immediately to maintain crumb tenderness.
  • Do not reduce sugar, as it supports egg aeration and affects cake rise and sweetness balance.
  • Properly grease and line cake pans to prevent sticking and ensure an even bake.
  • Store unfrosted cake wrapped tightly to keep moist; frosting helps seal in freshness up to 4 days.
  • Adjust bake times when using different pan sizes, watching for a toothpick to come out clean.

Nutrition Information

Calories 339cal (17%) Carbohydrates 51g (17%) Protein 6g (12%) Fat 13g (20%) Saturated Fat 7g (35%) Cholesterol 91mg (30%) Sodium 97mg (4%) Potassium 190mg (4%) Fiber 1g (4%) Sugar 31g (62%) Vitamin A 434IU (9%) Calcium 90mg (9%) Iron 2mg (11%)

Nutrition Facts

Serving: 10 - 12

Amount Per Serving

Calories 339

% Daily Value*

Calories 339cal 17%
Carbohydrates 51g 17%
Protein 6g 12%
Fat 13g 20%
Saturated Fat 7g 35%
Cholesterol 91mg 30%
Sodium 97mg 4%
Potassium 190mg 4%
Fiber 1g 4%
Sugar 31g 62%
Vitamin A 434IU 9%
Calcium 90mg 9%
Iron 2mg 11%

* Percent Daily Values are based on a 2,000 calorie diet.