Sweet Potato Squares

Ingredients

• 10 tablespoons unsalted butter

• 1 cup light brown sugar

• ½ cup mashed sweet potato

• 2 teaspoons vanilla extract

• 1 large egg

• 1 large egg yolk

• 1 ½ cups white rice flour

• 1 teaspoon ground cinnamon

• ¾ teaspoon salt

• ¾ teaspoon ground ginger

• ⅛ teaspoon ground nutmeg

• 1 ¼ cups miniature marshmallows

• ½ cup chopped walnuts

Directions

Step 1

Preheat oven to 350ºF. Grease an 8-inch square baking pan, and line with parchment paper, allowing 1 inch of paper to hang over sides of pan. Grease the parchment paper.

Step 2

Melt butter in a medium saucepan over medium-low; cook, stirring and scraping bottom of pan often with a rubber spatula, until butter begins to turn golden brown and fragrant with a delicious nutty aroma (you should see bits of browned milk solids), 2 to 3 minutes. Turn off heat.

Step 3

Whisk in brown sugar until smooth. Then, whisk in the mashed sweet potato and vanilla extract. Whisk in the egg and egg yolk until completely incorporated, and batter is smooth and glossy. Whisk in the flour, cinnamon, salt, ginger, and nutmeg.

Step 4

Pour batter into prepared pan and bake 25 minutes. Remove pan from oven; increase heat to 400ºF. Sprinkle marshmallows and walnuts evenly over top. Return pan to oven and bake until marshmallows are melted and browned, 5-10 minutes longer. Cool completely before slicing into squares.