How to Make Smooth Homemade Caramel Icing for Cakes and Cupcakes

This homemade caramel icing takes about seven minutes to prepare and uses just five ingredients. If you can whisk, you’ll master this icing in no time.

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This caramel icing recipe comes from an old community cookbook—a classic passed along through family. I don’t own the original book, but I do have a photocopy tucked into a collection of family recipes my mom shared with me.

My dad requested this caramel icing on his birthday cake every year, always paired with the same chocolate cake recipe. Once you see how quick and simple this icing is, you’ll understand why it became a family favorite.

Truth be told, I often catch myself hiding in the kitchen, spoon in hand, eating this icing straight from the bowl.

This caramel icing takes about seven minutes from start to finish and calls for five simple ingredients. If you can whisk, you can make this icing—and it pours and sets beautifully.

What is the Difference Between Icing and Frosting?

Quick note before you begin: this caramel icing behaves more like a glaze. It’s thinner and pourable, perfect for drizzling over cakes, cupcakes, or cookies. It flows into the nooks and crannies of a bundt cake and firms up as it cools, so it should be used right away.

Frosting, in contrast, is thicker and spreadable, usually applied with a spatula. Examples of that style include cinnamon cool whip frosting and dark chocolate buttercream.

How to Make Homemade Caramel Icing

1. In a small saucepan over medium heat, combine the milk, butter, and brown sugar. Whisk continuously and bring the mixture to a gentle boil.

2. Remove the pan from heat and quickly whisk in the powdered sugar and vanilla until smooth and glossy.

3. Use immediately: drizzle or pour the icing over cakes, cupcakes, cookies, or any baked good you like. The icing will set as it cools.