The most delicious 3 ingredient chocolate cake.
Heat oven to 400° F. Spray 9-inch spring foam pan with non-stick cooking spray. In large saucepan, melt semisweet chocolate and butter over medium-low heat, stirring constantly until smooth. Cool 35 minutes or until completely cooled.
Meanwhile, beat eggs in small bowl at high speed for 5 minutes or until triple in volume. Fold eggs into cooled chocolate until well blended. Pour into sprayed pan.