Step 1

Melt 1 cup morsels in a smallheavy-duty saucepan over lowest possible heat. When morsels begin to meltremove from heat; stir. Return to heat for a few seconds at a timestirring until smooth. Cool to room temperature.

Step 2

Combine flourbaking powder and salt in a small bowl. Beat sugarmargarine and vanilla extract in a large mixing bowl. Beat in melted chocolate and egg whites. Gradually beat in flour mixture alternately with water. Stir in remaining morsels. Cover; chill until firm.

Step 3

Shape dough into 1 1/2-inch balls; roll in powdered sugar to coat generously. Place on greased baking sheets.

Step 4

Bake in preheated 350° F oven for 10 to 15 minutes or until edges are set but centers are still slightly soft. Cool on baking sheets for 2 minutes; remove to wire racks to cool completely.