Marble Squares Ala Brigitte Sealing

These marble squares are a crowd-feeding bar recipe that scales up in a 15×10 jelly roll pan for easy slicing and serving. The base is a thin chocolate cake built on the boiled-liquid method (water, margarine, and unsweetened chocolate simmered together, then combined with flour, sugar, eggs, and sour cream), which produces a tender, almost brownie-like crumb. A cream cheese filling swirls through the batter for marble contrast, and chocolate morsels sprinkle on top for extra pockets of melt.

The appeal is the texture sitting between brownie, cake, and cheesecake in every bite. Cream cheese stays tangy and soft against the rich chocolate base, and the morsels bake into melted spots on top that firm up as the bars cool.

Count on 24 to 30 squares depending on how you cut the pan. Keeps in an airtight container at room temperature for 2 days, or up to a week in the fridge. Serve at room temperature with coffee, cold milk, or after-dinner dessert wine.

Kitchen Tips

• Bring cream cheese to full room temperature before beating. Cold cream cheese leaves lumps in the filling.
• Spoon the cream cheese filling in small dollops across the chocolate batter, not one big blob. Smaller dollops marble more evenly.
• Drag a knife in S-shapes, two or three passes only. Over-swirling blends the layers completely and defeats the marble effect.
• Bake until the center just barely jiggles. Fully set cream cheese means dry bars.
• Cool completely before cutting, at least 1 hour. Warm bars fall apart.

Variations

• Add 1 tablespoon of instant espresso powder to the chocolate batter for a mocha version.
• Swap milk chocolate morsels for white chocolate, butterscotch, or dark chocolate chips.
• Drizzle caramel sauce over the top after baking for extra decadence.