Moist Chocolate Marble Loaf Cake (Easy Old‑Fashioned Recipe)

 

 

If you love a classic, old‑fashioned bake that feels both nostalgic and comforting, this Chocolate Marble Loaf Cake is the perfect treat to make. With its tender vanilla crumb and rich chocolate swirls, it’s a simple family‑style cake that delivers big flavour without any fuss. Baked in a loaf tin for easy slicing, this cake is just the right size for everyday enjoyment — not too big, not too small — and it’s the kind of recipe you’ll want to keep in your regular rotation.

What makes this marble loaf so charming is its beautiful contrast of flavours. The vanilla batter stays soft and buttery, while the chocolate portion adds depth and richness in every slice. Even if your marbling isn’t picture‑perfect (and honestly, that’s part of the fun), the result is always delicious. This is the sort of cake that pairs perfectly with a cup of tea, a morning coffee, or even a cold glass of milk.

Whether you’re baking for your family, treating yourself on the weekend, or looking for a simple cake that always turns out well, this Chocolate Marble Loaf Cake is a timeless favorite that never disappoints.

 

This cake recipe comes from my trusty copy of the BHG New Cook Book, which was published originally in 1982.My copy is lovingly well-worn, having been used often over these past forty odd years or so. 

In fact it is just about falling apart and many of the pages are spattered and splodged . . .  the mark of a really good cookbook!  I think this was one of the first cookbooks I ever spend dosh on!

Its a simple family cake, not too large, not too small and the perfect mix of white and chocolate butter cakes. You cannot beat a chocolate and vanilla cake!

This is one of my favorite cake recipes from the book. The vanilla batter is roughly about 2/3 of the batter, with only 1/3 being chocolate, which means that chocolate cake haters will also enjoy it. The flavor of this cake is spot on, with just the right mix of both vanilla and chocolate.

I love that it gets baked in a loaf tin, so it is very easy to cut and very homely looking. Its a sturdy cake, not flimsy cake and goes really well with drinks, be they hot or cold.

This is the perfect weekend cake. Trust me on this. If you only bake one thing this weekend, let it be this! You won't be sorry!

 

INGREDIENTS NEEDED

TO MAKE

CHOCOLATE MARBLE LOAF CAKE

These are simple baking cupboard ingredients. There is nothing too far out of the ordinary here.

• 1 3/4 cup (219g) plain all purpose flour
• 2 1/2 tsp baking powder
• 1/4 tsp salt
• 1/2 cup (114g) butter
• 1 cup (190g) sugar
• 1 tsp vanilla
• 2 large eggs
• 2/3 cup (160ml) whole milk
• 1 ounce (30g) unsweetened chocolate, melted and cooled
• 2 TBS HOT water
• 1/4 tsp bicarbonate of soda

 

NOTES ON INGREDIENTS

• Do not use self-raising flour.  All purpose plain flour is what is used.
• Check your baking powder for freshness. You can do so by dropping some into a bit of hot water. If it fizzes, it's okay.
• I use salted butter. If this bothers you by all means use unsalted.
• I use Kirkland brand organic granulated sugar. In the U.K. use caster sugar.
• North American large eggs are the same size as medium European eggs.
• I use only pure vanilla.
• If you don't have unsweetened chocolate to melt, then you can substitute it with 3 TBS cocoa powder mixed with 1 TBS oil or melted shortening. Mix together until smooth.

 

HOW TO MAKE CHOCOLATE MARBLE LOAF CAKE

This is actually a very simple cake to make. Don't let the marbling fool you into thinking it isn't.

1. Preheat the oven to 180*C/350*F/ gas mark 4. Butter a 9 X 5 X 3 inch baking tin and line it with baking paper. Butter the paper. Set aside. (This will ensure that the cake doesn't stick to the pan.)
2. Cream together the sugar and butter with the vanilla until light and fluffy. Beat in the eggs, one at a time, beating for one minute after each. (Beating in your eggs one at a time helps to prevent the batter from curdling. If it does curdle you can add a bit of the required flour which will bring it back together.)
3. Sift together the flour, baking powder and salt. Add to the creamed mixture, alternately with the milk, beating well after each addition. (Don't overbeat so as not to toughen the batter. It should be smooth and lump free.)
4. Whisk together the melted chocolate, hot water and soda. Separate 1/3 of the cake batter from the rest and stir the chocolate mixture into this. (I use a small wire whisk to stir it in thoroughly.)
5. Spoon the batters, alternately into the prepared cake tin. (I do a thin layer of white on the bottom of the loaf tin of plain, and then put in three blobs of white leaving space to put in 3 blobs of chocolate in between, then I reverse that on the next layer, putting white batter on top of the chocolate blobs and chocolate on the white, repeating until I have used all of both batters. Run a thin spatula through the batter in a zigzag shape to marbleize, without overdoing it.)
6. Bake in the preheated oven for 45 to 50 minutes. The top should spring back with lightly touched and a toothpick inserted in the center should come out clean.
7. Cool in the pan for 15 minutes on a wire rack before removing from the pan to finish cooling. Ice or not as desired. Cut into slices to serve.

 

HINTS AND TIPS FOR CAKE BAKING SUCCESS

• Make sure all ingredients are at room temperature
• Follow measurements and instructions with precision. Baking is an exact science.
• When using chemical leaven, such as baking powder, make sure it is evenly distributed amongst the dry ingredients before they are added to the creamed mixture. Otherwise you cake may develop tunnels as it bakes.
• Unless otherwise specified, add dry and liquid ingredients in increments, beginning and ending with dry.
• Don't overmix. Overmixing toughens cakes.
• When folding in ingredients, such as egg whites, do not over blend.
• Bake cakes as soon as mixed as the leavening will start to work once it is moistened. A delay in baking will result in poor volume.
• Grease and line your pans to prevent cakes from sticking, unless you are using a cake tin which prevents this such as a shaped tin such as a Bundt tin. In that case grease and dust with flour lightly.

  

FREQUENTLY ASKED QUESTIONS

HOW DO I GET THE MARBLING TO LOOK RIGHT?

Don't overdo it. Alternate the batters in the pan and then use the round blade of a butter knife to gently swirl things. 

CAN THIS BE BAKED IN A TIN OTHER THAN A LOAF TIN?

I never have but I can't see why not. I would suggest an 9-inch square pan or a 9-inch round. Pour the light batter into the pan, dollop the chocolate batter over top and gently swirl it as above. The bake time may be less, so check it at 30 to 35 minutes.

DOES THIS CAKE NEED AN ICING OR GLAZE?

This cake is perfectly lovely just as is, but if you are wanting something a bit more special by all means add a simple vanilla glaze or a layer of chocolate buttercream on top.

HOW CAN I KEEP THE CAKE FROM DRYING OUT WHEN BAKING?

The simple answer is not to overbake it.  Test it five to ten minutes before the end of the bake time. If the toothpick comes out clean, then the cake is done.

CAN THIS CAKE BE FROZEN?

Yes, this cake freezes beautifully. Wrap in some plastic cling film, then in a layer of aluminum foil. Label and date. It will keep well for up to three months frozen.

HOW LONG WILL THIS CAKE KEEP?

This cake will keep well at room temperature for up to five days in a tightly covered container.

 

A FEW OTHER

LOAF SIZED CAKE RECIPES FOR YOU TO ENJOY

We love loaf cakes. Well, to be honest, we love any cake!  Here are a few  more loaf sized cakes you might also enjoy!

VANILLA GLAZED SPICE LOAF - This Vanilla Glazed Spice Loaf Cake is everything we love about cake baking wrapped into one beautiful loaf. It’s packed with all the warm, snuggly spices — cinnamon, ginger, cardamom, cloves, and freshly grated nutmeg — the very scents that make a kitchen feel like home the moment the oven door opens. The batter comes together easily, just like a simple cake, and bakes into a loaf that’s dense, moist, and incredibly delicious — somewhere between a quick bread and a tender spice cake. And then there’s the glaze — a sweet, silky vanilla drizzle that settles into every groove and balances the warm spices perfectly. Don’t skip it… it truly takes this loaf from lovely to unforgettable.

CHOCOLATE MAYONNAISE CAKE - This is one of those old‑fashioned treasures that proves the simplest ingredients can create the most unforgettable results. Developed during the Second World War when eggs and butter were rationed, this clever cake uses mayonnaise as the source of fat and moisture, giving it that famously rich, tender, incredibly moist crumb you will fall in love with. There’s nothing “salad-like” about it — just deep, honest chocolate flavor thanks to good cocoa powder and a batter that comes together in minutes. It rises beautifully and stays wonderfully soft, especially since it cools right in the pan, a little trick that helps lock in all that moisture. A lush brown sugar toffee icing finishes it off perfectly.

  

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Yield: one 9 by 5 by 3 inch loaf

Author: Marie Rayner

Chocolate Marble Loaf Cake

Prep time: 15 MinCook time: 50 MinInactive time: 15 MinTotal time: 1 H & 20 M

This fabulous loaf cake is adapted from a recipe which comes from my well-worn copy of the BHG new Cookbook, published in 1982.

Ingredients

• 1 3/4 cup (219g) plain all purpose flour
• 2 1/2 tsp baking powder
• 1/4 tsp salt
• 1/2 cup (114g) butter
• 1 cup (190g) sugar
• 1 tsp vanilla
• 2 large eggs
• 2/3 cup (160ml) whole milk
• 1 ounce (30g) unsweetened chocolate, melted and cooled
• 2 TBS HOT water
• 1/4 tsp bicarbonate of soda

Instructions

1. Preheat the oven to 180*C/350*F/ gas mark 4. Butter a 9 X 5 X 3 inch baking tin and line it with baking paper. Butter the paper. Set aside.
2. Cream together the sugar and butter with the vanilla until light and fluffy. Beat in the eggs, one at a time, beating for one minute after each.
3. Sift together the flour, baking powder and salt. Add to the creamed mixture, alternately with the milk, beating well after each addition.
4. Whisk together the melted chocolate, hot water and soda. Separate 1/3 of the cake batter from the rest and stir the chocolate mixture into this.
5. Spoon the batters, alternately into the prepared cake tin. (I do a thin layer of white on the bottom of the loaf tin of plain, and then put in three blobs of white leaving space to put in 3 blobs of chocolate in between, then I reverse that on the next layer, putting white batter on top of the chocolate blobs and chocolate on the white, repeating until I have used all of both batters. Run a thin spatula through the batter in a zigzag shape to marbleize, without overdoing it.)
6. Bake in the preheated oven for 45 to 50 minutes. The top should spring back with lightly touched and a toothpick inserted in the center should come out clean.
7. Cool in the pan for 15 minutes on a wire rack before removing from the pan to finish cooling. Ice or not as desired. Cut into slices to serve.

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