Prune Puree

Prune puree is a baker’s secret for cutting fat in brownies, cakes, and quick breads without sacrificing moisture or flavor. It’s just pitted prunes, blended smooth with water, fruit juice, and a little lecithin that keeps the puree silky and emulsified.

The trade works because prunes are packed with pectin and sorbitol, both of which lock moisture into baked goods the same way fat does. Swap prune puree for up to half the butter or oil in a chocolate recipe and you won’t taste the difference; the chocolate actually tastes deeper because prune flavor hides behind cocoa.

It works best in dark, flavor-forward recipes: chocolate brownies, spice cake, carrot cake, pumpkin bread, gingerbread. Keep it out of pale recipes like vanilla butter cake or pound cake, where its purple-brown color and fruity note will show through.

Stored in an airtight container in the fridge, it holds for three weeks.

Kitchen Tips

• Use Sunsweet or Mariani pitted prunes. Drier prunes take longer to blend and the puree turns grainy.
• If the prunes are dry, soak them in the water for 10 minutes before blending. Hydrated prunes blend to a smooth paste faster and keep your motor from laboring.
• Substitute prune puree for butter or oil at a 1:1 ratio in chocolate-heavy recipes, but start with replacing half. Fully fat-free baked goods taste rubbery because gluten develops more without fat.
• The lecithin is optional but worth it. Without it, the puree can weep and the fat-replacement effect is less reliable.
• Freeze in ice cube trays and bag the frozen cubes for longer storage. One cube is about 2 tablespoons.

Variations

• Use apple juice, orange juice, or prune juice instead of water for extra fruit character.
• Add a splash of vanilla or a pinch of cinnamon for more dessert-leaning flavor.
• Thin with more juice for a dessert topping or pancake syrup; thicken with fewer prunes for a baby food-style puree.