The Best Marshmallow Brownies for Passover

Mini marshmallows provide chew, nuts add crunch, and melted chocolate guarantees unparalleled fudginess.

These fudgy brownies are made with matzo cake meal. Adeena Susman/TNS

These brownies pass the Passover test and beyond. Decadent, fudgy, and delicious, you’ll want to make these brownies year-round. Mini marshmallows provide chew, nuts add crunch, and melted chocolate guarantees unparalleled fudginess. Make sure to let the brownies cool completely before cutting so they hold together like a dream.

Marshmallow Brownies

Makes 16

• 8 tablespoons (1 stick) butter or vegan buttery stick, plus more for greasing the pan
• 12 ounces semi-sweet or bittersweet chocolate chips (about 2 cups)
• 2 teaspoons hot tap water
• 1 teaspoon instant coffee granules
• 2 large eggs
• 3/4 cup granulated sugar
• 1 teaspoon vanilla extract
• 1/2 cup matzo cake meal (see note)
• 1 tablespoon potato starch
• 1/4 teaspoon fine sea salt
• 1 cup mini marshmallows
• 1/2 cup chopped toasted walnuts or pecans (optional)

1. Arrange a rack in the middle of the oven and heat the oven to 350 F. Coat an 8-by-8-inch square baking pan with butter.

2. Place 1 stick butter and 12 ounces chocolate chips in a microwave-safe bowl. Microwave on high until melted and smooth when stirred, 60 to 90 seconds. Set aside to cool slightly.