Welcome to Week 7 of our baking course! This week, we’re diving deep into the world of cakes—exploring the difference between oil-based and butter-based cakes, mastering the art of layering and filling, and finishing with buttercream techniques and decorations. Whether you want a light and moist cake or a rich and buttery one, understanding these fundamentals will take your baking to the next level!

Oil vs. Butter Cakes: Which One is Better?
One of the first decisions in cake baking is choosing between oil and butter as the fat source. While both create delicious cakes, they have distinct differences in texture, flavor, and shelf life.
Butter Cakes
Texture: Rich, tender, and slightly dense.
Flavor: More pronounced buttery taste.
Structure: Creaming butter and sugar creates air pockets, leading to a more structured crumb.
Best For: Pound cakes, layered cakes, and any cake that benefits from a firmer texture (like wedding cakes).
Oil-Based Cakes
Texture: Light, moist, and soft, even after refrigeration.
Flavor: More neutral—great for carrying flavors like chocolate, vanilla, and spice.
Structure: Oil coats the flour evenly, resulting in a fine, moist crumb.
Best For: Carrot cake, red velvet, chocolate cake, and bundt cakes.
Understanding Cake Layers and Filling Techniques
A well-layered cake isn’t just about stacking; it’s about creating balance between texture, moisture, and flavors.

How to Properly Layer a Cake
Level Your Cake Layers – Use a serrated knife or cake leveler to create even layers.
Brush with Syrup – A simple sugar syrup (or flavored syrup) is optional but it keeps layers moist.
Use a Piping Guide – Pipe a ring of buttercream around the edge (a border) before adding soft fillings to prevent them from oozing out.
Stack Evenly – Press each layer gently to ensure a stable, even stack.
Filling Ideas for Cakes
Buttercream: Classic and versatile (American, Swiss, Italian).
Fruit Preserves: Adds freshness and a contrast to sweet cakes.
Ganache: Rich chocolate layers for extra decadence.
Custards & Curd: Lemon curd, pastry cream, or mousse for a soft, flavorful bite.
Buttercream and Decorating Techniques
Buttercream is the most popular frosting for cakes because of its creamy texture, easy application, and ability to hold designs.

Types of Buttercream

American Buttercream – Sweet, stable and easy to make, ideal for piping.
Swiss Meringue Buttercream – Light, silky, and less sweet, perfect for smooth finishes.
Italian Meringue Buttercream – Stable and luxurious, great for intricate decorations.
French Buttercream – Extra rich due to the egg yolks.
Basic Decorating Techniques
Crumb Coat First – A thin layer of buttercream seals in crumbs.
Smooth Finish – Use an offset spatula and bench scraper for a clean look.
Piping Designs – Rosettes, borders, or swirls add a professional touch.
Drips & Textures – Chocolate ganache drips or rustic spatula textures make cakes visually stunning.
The Bottom Line
With these techniques in your baking arsenal, you’ll be ready to tackle any cake challenge that comes your way!
What’s your favorite cake to bake? Let us know in the comments! 🎂✨
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