Brownies with Peanut Butter Frosting

Bahan-bahan (18 porsi)

• ½ cup butter
• 2¾ cups semi-sweet or dark chocolate chips
• 1 cup light brown sugar
• 1 tablespoon vanilla extract
• 4 eggs
• 1 cup all-purpose flour*
• ½ teaspoon kosher salt
• 4 ounces cream cheese (softened)
• ¼ cup butter (softened)
• ⅓ cup creamy peanut butter
• 2 cups powdered sugar
• 1 -2 tablespoons heavy cream or milk (only as needed)
• ⅔ cup brown rice flour
• ⅓ cup tapioca starch