Chopped walnuts, pecans, hazelnuts, or peanutsoptional
DRIZZLE
1/4cupsemisweet chocolate chips
1tspcanola oil
Instructions
Preheat oven to 350°F.
In a large bowl, beat the egg, oil, sugar, water and vanilla. Whisk together the flour, cocoa, salt, baking powder and, if desired, espresso powder; stir into egg mixture until blended.
Spread into a greased or parchment paper-lined 15x10x1-in. baking pan. Top with chopped nuts if desired. Bake until very firm to the touch, 12-15 minutes. Cool on a wire rack. Break into pieces. In a microwave, melt chocolate chips and oil; stir until smooth. Drizzle over pieces. Let stand until set.
Cool on a wire rack and then break into pieces.
In a microwave, melt chocolate chips and oil; stir until smooth. Drizzle over pieces. Let stand until set.