Ingredients

• 0.5 cups all-purpose flour
• 0.13 teaspoons baking powder
• 0.13 teaspoons salt
• 1 cup white sugar
• 0.5 cups unsalted butter , softened
• 2 eggs
• 2 , 1 ounce
• 0.5 teaspoons vanilla extract
• 1 cup coarsely chopped walnuts
• 1 teaspoon powdered sugar , Optional

Instructions

1. 1 Grease and flour an 8x8-inch square pan.
2. 2 Sift flour, baking powder, and salt together in a bowl.
3. 3 Beat sugar and butter together in a large bowl with an electric mixer until light and fluffy. Beat in eggs until a smooth batter forms. Beat in chocolate and vanilla extract. Stir in flour mixture until just incorporated; fold in walnuts. Spread batter into the prepared pan.
4. 4 Place pan in the air fryer basket. Place on the lowest rack in the air fryer oven and cook at 300 degrees F (150 degrees C) until a toothpick inserted in the center comes out clean, 18 to 25 minutes.
5. 5 Cool completely in the pan, about 30 minutes. Cut into 9 squares and sprinkle with powdered sugar.

Nutrition per serving