Polka-dot Brownies

Ingredients

 * 3 oz semisweet chocolate coarsely chopped or 3 oz semisweet chocolate chips
 * ½ cup reduced calorie margarine (tub)
 * 4 large eggs (room temperature)
 * ½ cup granulated sugar
 * 1 tsp vanilla extract
 * ¼ tsp salt
 * ¾ cup all-purpose flour
 * confectioners' sugar and/or unsweetened cocoa powder to garnish (optional)

Directions

 * 1) Preheat oven to 350°F.
 * 2) Lightly spray an 8" square baking pan with nonstick cooking spray.
 * 3) In top of double boiler, over barely simmering water (or in microwave), melt chocolate and margarine; remove from heat and stir until smooth.
 * 4) Set aside to cool to room temperature.
 * 5) In large bowl, with electric mixer at high speed, beat eggs and sugar until pale yellow, thick and tripled in volume, about 7 minutes.
 * 6) Beat in vanilla and salt.