1.Melt butter and 1/2 cup chocolate chips. Stir in coffee crystals. Cool 5 minutes, then stir in sugars, eggs, and vanilla.
2. Combine flour, cocoa, baking powder, and salt. Stir into chocolate mixture. Add 1 cup of chocolate pieces.
3. Place on greased cookie sheet by the tablespoon. Bake at 350 for 10 minutes. Cool on sheet for 1 minute. Move to wire rack.
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