Microwave chocolates in separate microwaveable bowls on HIGH 2 min. or until chocolates are almost melted, stirring after 1 min. Stir until chocolates are completely melted.
Stir 1/2 cup of the pecans into each bowl. Alternately spoon melted chocolates onto waxed paper-covered baking sheet or tray. Swirl chocolates together with knife for marble effect.
Refrigerate 1-1/2 hours or until firm. Break into pieces. Store in tightly covered container at room temperature.
