Mix peanut butter, sugar, and egg until blended.
Press or roll dough into 10x7 inch rectangle on ungreased baking sheet.
Bake at 325 degrees for 20 minutes.
Remove from oven.
Immediately arrange chocolate on top and cover lightly with aluminum foil. Let stand 3 minutes and remove foil.
Spread chocolate over entire surface and immediately cut into 2x1 inch bars.
Cool and enjoy.
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