One Egg Fudgy Cheesecake Brownies

Imagine a brownie that is intensely fudgy, deeply chocolatey, and hiding a creamy, tangy cheesecake swirl in every bite. This recipe achieves that with just one egg in the cheesecake layer and a simple technique that yields a beautiful marbled pattern.

The browned butter adds a nutty depth, while the espresso powder intensifies the chocolate flavor without making it taste like coffee. These brownies are perfect for any occasion, from a casual weeknight treat to a special dessert.

These one-egg fudgy cheesecake brownies are a study in contrasts: a dense, fudgy brownie base with a light, creamy cheesecake swirl. The recipe uses a single egg in the cheesecake layer, making it easy to whip up without fuss.

The brownie batter is enriched with browned butter, which brings a subtle caramel-like flavor, and a touch of espresso powder to deepen the chocolate.

The result is a sophisticated dessert that tastes like it came from a bakery. The key to the perfect swirl is to dollop the cheesecake mixture in generous spoonfuls and then use a skewer to create gentle ribbons. This technique ensures that every square has a beautiful marbled pattern.

Ingredients

Why this recipe works

The method of browning the butter is a game-changer for brownies. As the butter cooks, it develops a nutty, toasty flavor that adds a new dimension to the chocolate. The milk solids in the butter caramelize, creating a rich, complex taste that you simply cannot get from melted butter alone. This small step elevates the brownies from good to exceptional.

Whipping the eggs with the sugars for a full five minutes is another crucial step. This incorporates air and dissolves the sugar, resulting in a shiny, meringue-like mixture that gives the brownies a crackly top and a tender interior. The air also helps the brownies rise slightly, creating a light texture that contrasts beautifully with the dense fudgy base.

Notes and substitutions

Dutch-process cocoa is recommended for its deep, smooth flavor and darker color. If you only have regular unsweetened cocoa, it will still work, but the brownies may be slightly less intense.

Use good-quality bittersweet chocolate (around 60-70% cacao) for the best taste. The espresso powder is optional but highly recommended, as it enhances the chocolate flavor without adding a coffee taste.

Make sure the cream cheese is softened to room temperature before beating, to ensure a smooth, lump-free swirl. Use an 8x8-inch metal or glass pan; a glass pan may require a few extra minutes of baking. Line the pan with parchment paper, leaving overhang on two sides, to easily lift the brownies out for slicing.

• Dutch-process cocoa: Regular unsweetened cocoa powder can be used, but the flavor will be slightly less intense and the brownies may be a touch less fudgy.
• Bittersweet chocolate: Semi-sweet or dark chocolate (60-70% cacao) works well. Milk chocolate is not recommended as it may make the batter too sweet.
• Espresso powder: Instant coffee granules can be substituted. Dissolve in the hot butter mixture to ensure even distribution.
• Vegetable oil: Canola or another neutral oil can be used. Olive oil is not recommended due to its strong flavor.

Equipment

• 8x8-inch baking pan
• Parchment paper
• Mixing bowls
• Whisk
• Rubber spatula
• Skewer
• Saucepan
• Electric mixer (optional)