Best Peanut Butter Chip Brownies

Peanut butter chip brownies that swap pureed prunes for butter, a classic baker’s trick for cutting fat without sacrificing the fudgy chew. The prune puree (yes, baby food works perfectly) brings deep moisture and a faint dried-fruit sweetness that you’d never identify in the finished bake.

Egg whites instead of whole eggs cut the cholesterol while keeping the brownies light and lifted. The structure comes from a mix of all-purpose and whole wheat flour, which gives a slightly nutty backbone that plays beautifully off the chocolate and peanut butter combo.

The boiling-water-into-cocoa step is where the magic builds. It blooms the cocoa powder into a thick, paste-like base, deepening the chocolate flavor far beyond what plain mixing achieves. Stir in the peanut butter chips at the very end so they stay whole and pocketed throughout.

Pro Tips

• Use cook-quality cocoa powder (Dutch-processed for a deeper, smoother flavor or natural for a brighter, fruitier chocolate punch). The cocoa is doing all the chocolate work here.
• Let the cocoa-water mixture cool slightly before adding the egg-white mixture. Hot liquid will scramble the egg whites instead of folding into a smooth batter.
• Don’t overmix once the flours go in. Stir just until smooth. Overmixing develops gluten and the brownies turn cakey instead of fudgy.
• Cool completely before cutting. Warm brownies tear and crumble, but room-temp ones cut into clean squares.

Variations

• Use baby food applesauce in place of prunes for a slightly milder fruit puree.
• Sub butterscotch chips or chopped peanut butter cups for a different sweet pocket.
• Add a half teaspoon of espresso powder to the cocoa for an even deeper chocolate flavor.