Old-Fashioned Cake Recipe: A Tender Vanilla Layer

This old-fashioned cake is a soft vanilla buttermilk sheet cake with a fine, tender crumb and a simple chocolate frosting. It uses familiar pantry ingredients, mixes without special equipment, and is baked in one 9-by-13-inch pan for an easy-to-serve dessert.

Ingredients

2 cups (250 g) all-purpose flour, spooned into the measuring cup and leveled
1½ cups (300 g) granulated sugar
2 teaspoons (8 g) baking powder
½ teaspoon (2.5 g) baking soda
½ teaspoon (3 g) fine salt
½ cup (113 g) unsalted butter, softened but not melted
2 large eggs, at room temperature
1 cup (240 ml) buttermilk, at room temperature
2 teaspoons (10 ml) vanilla extract
For the frosting: ½ cup (113 g) unsalted butter, softened
3 cups (360 g) powdered sugar, sifted if lumpy
⅓ cup (30 g) unsweetened cocoa powder
¼ cup (60 ml) milk, plus 1–2 tablespoons (15–30 ml) more if needed
1 teaspoon (5 ml) vanilla extract
⅛ teaspoon fine salt

Instructions

Prepare the pan and oven. Set a rack in the center of the oven and heat it to 350°F (177°C). Grease a 9-by-13-inch (23-by-33-cm) metal baking pan. For easier removal, line the bottom and two long sides with a strip of parchment, leaving a little overhang. Let the butter, eggs, and buttermilk come to room temperature; this helps the batter blend evenly.
Combine the dry ingredients. In a medium bowl, whisk together the flour, baking powder, baking soda, and salt until the leaveners are distributed. Set the bowl aside. If the flour is packed into a measuring cup, the cake can turn out heavy, so spoon it in and level the top rather than scooping directly from the bag.
Cream the butter and sugar. In a large bowl, beat the softened ½ cup (113 g) butter with the granulated sugar for about 2–3 minutes, stopping to scrape the bowl once. Use a hand mixer on medium speed or a sturdy whisk and some elbow grease. The mixture should look lighter and fluffy, though it will not become completely smooth because of the sugar crystals.
Add the eggs and vanilla. Beat in the eggs one at a time, mixing until each is incorporated before adding the next. Scrape the sides and bottom of the bowl, then mix in the vanilla. If the mixture looks slightly curdled, proceed; it should come together once the flour and buttermilk are added.
Finish the batter. Add about one-third of the dry ingredients and mix on low just until the flour mostly disappears. Mix in half the buttermilk, then repeat with another third of the dry ingredients, the remaining buttermilk, and the remaining dry ingredients. Scrape the bowl as needed and stop as soon as no dry streaks remain. A few small lumps are fine; extended mixing can make the cake tough.
Bake the cake. Scrape the batter into the prepared pan and spread it into an even layer, nudging it into the corners. Bake for 30–34 minutes, rotating the pan once if your oven browns unevenly. The cake is ready when the top springs back lightly when touched and a toothpick inserted in the center comes out clean or with a few moist crumbs. For a temperature check, the center of a finished cake is generally around 200–205°F (93–96°C). USDA FSIS lists 160°F (71°C) as the safe minimum internal temperature for egg dishes; use a food thermometer if checking the egg-safety minimum.
Cool completely. Set the pan on a wire rack and leave the cake to cool in the pan for 1 hour before frosting. Frosting a warm cake can melt the butter in the icing and cause it to slide or soak into the surface. The cake should feel cool in the center, not merely at the edges.
Make the frosting and finish. Beat the remaining ½ cup (113 g) butter until smooth. Add the powdered sugar, cocoa, ¼ cup (60 ml) milk, vanilla, and salt. Mix on low until the sugar is moistened, then beat on medium until creamy, about 1–2 minutes. Add more milk a teaspoon at a time if the frosting is too stiff to spread. Spread it over the cooled cake with an offset spatula or the back of a spoon, then cut into 12 pieces.

Tips

Measure flour carefully. A kitchen scale gives the most consistent result: use 250 g. If measuring by volume, fluff the flour, spoon it into the cup, and level it with a straight edge. Packing flour into the cup is a common reason a simple butter cake turns dry or dense.
Use room-temperature ingredients. Butter should yield to a gentle press but still hold its shape. Cold eggs and buttermilk can make the creamed butter firm up in little pieces, which can leave the batter less even. If short on time, place eggs in warm—not hot—water for 5–10 minutes and gently warm the buttermilk in short bursts.
No buttermilk on hand? Measure 1 tablespoon (15 ml) lemon juice or white vinegar into a measuring cup, add milk to make 1 cup (240 ml), and let it stand for 5–10 minutes. It will not be identical to cultured buttermilk, but the acidity helps activate the baking soda. The cake may be a little less rich and tangy.
Check the pan and doneness. A dark metal pan can brown the edges faster than a light-colored one, so begin checking at 28 minutes. Glass pans heat differently; if using one, keep an eye on the edges and expect the bake to take a few minutes longer. Avoid opening the oven repeatedly, especially during the first 25 minutes.

Serving Suggestions

Serve the cake at room temperature so the crumb is soft and the frosting is easy to cut. A thin, sharp knife gives neat pieces; wipe the blade between cuts if you want clean edges. The chocolate icing is rich but not overly sweet, so the cake works well on its own with coffee, tea, or a glass of milk.

For a simple plated dessert, add fresh strawberries, raspberries, or sliced peaches alongside each piece. A spoonful of lightly sweetened whipped cream is another good match, particularly if you serve the cake without frosting or use a thinner layer. For a casual gathering, leave the cake in its pan and let guests serve themselves. If transporting it, cover the pan once the frosting has set and keep it level.

Variations

Vanilla buttercream instead of chocolate: Leave out the cocoa and increase the powdered sugar to about 3½ cups (420 g). Use 3–4 tablespoons (45–60 ml) milk, adjusting gradually until the icing spreads easily. The result is sweeter and more purely vanilla-forward.
Make it a lemon cake: Add 1 tablespoon (6 g) finely grated lemon zest to the sugar and rub them together with your fingertips before creaming with the butter. For a matching frosting, omit the cocoa and use 1 tablespoon (15 ml) lemon juice in place of some of the milk. The cake will have a brighter citrus aroma without changing its basic method.
Add a little texture: Fold ½ cup (60 g) chopped toasted pecans or walnuts into the finished batter, or scatter them over the frosting. Toasting brings out a deeper nut flavor; cool the nuts before adding them so they do not warm the batter or soften the icing.
Bake it as cupcakes: Line two standard muffin tins and divide the batter among about 24 cups, filling each roughly two-thirds full. Begin checking after 18 minutes; the exact time depends on the pan and oven. Cool the cupcakes fully before frosting. The smaller cakes make convenient portions, but avoid filling the cups to the brim because the batter needs room to rise.

Storage and Reheating

Because this cake contains dairy and egg, refrigerate it within 2 hours of baking or serving. Keep it covered in the pan or transfer individual pieces to an airtight container. It will keep for about 3–4 days in the refrigerator. For the softest texture, let a piece sit at room temperature for 20–30 minutes before serving; the frosting and crumb are firmer straight from the fridge.

To freeze, wrap unfrosted, fully cooled cake portions tightly in plastic wrap and place them in a freezer-safe container for up to 2 months. Frosted slices can also be frozen: first set them uncovered in the freezer until the icing is firm, then wrap and pack them. Thaw wrapped portions overnight in the refrigerator or for a few hours at room temperature, and unwrap after thawing to limit condensation on the frosting. This cake is usually best served at room temperature rather than reheated; if you warm an individual slice, use a few seconds at a time in the microwave and serve promptly.

Frequently Asked Questions

Can I make this cake without a mixer?
Yes. Use a sturdy whisk or wooden spoon to cream the softened butter and sugar until lighter, then beat in the eggs one at a time. The mixture may be less airy than one made with an electric mixer, but gentle mixing after the flour goes in matters more than achieving a perfectly fluffy butter mixture. Stir the final batter only until the dry ingredients disappear.

Why did my cake turn out dense?
Too much flour, cold ingredients, or overmixing after adding the flour are common causes. Spoon and level the flour or weigh it, bring the dairy and eggs closer to room temperature, and stop mixing as soon as the batter is combined. Also check that the baking powder and baking soda are fresh; old leaveners may not lift the cake well.

Can I bake it in two round pans?
You can divide the batter between two greased and parchment-lined 8-inch (20-cm) round pans. Begin checking at about 24 minutes, since thinner layers generally bake faster than a sheet cake. Look for a springy surface and a clean toothpick, and cool the layers in their pans for around 10 minutes before turning them onto racks. Let them cool completely before frosting between and over the layers.

Can I make the cake ahead?
Yes. Bake it a day ahead, cool it completely, cover the pan, and refrigerate it. You can also bake and freeze the unfrosted cake in well-wrapped portions. Make the frosting on the day you plan to serve it, or refrigerate prepared frosting in a sealed container and let it soften before beating briefly until spreadable.

How can I tell whether the cake is done without a thermometer?
Look for a top that springs back gently when pressed near the center and edges that have begun to pull slightly from the pan. A toothpick inserted in the middle should come out clean or with a few moist crumbs, not wet batter. If batter clings to it, bake for another 2–3 minutes and check again.

Can I use salted butter?
Yes. Use the same amount of salted butter and reduce or omit the added salt, depending on how salty the butter tastes. Since brands vary, omitting the salt is the safer adjustment if you are unsure. The cake and frosting will still work; the flavor may be a touch less balanced than with unsalted butter and measured salt.

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Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

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