Instructions: In a bowl, stir together flour, baking powder, baking soda, cinnamon and salt to combine thoroughly; set aside.

Preheat oven to 350 degrees. In a heavy, 2-quart saucepan, combine butter and chocolate. Place over low heat until both are melted, stirring occasionally.

Remove chocolate mixture from heat; stir in granulated and brown sugars. Add egg and vanilla; beat well. Add flour mixture alternately with sour cream, mixing until smooth after each addition. Stir in pecans.

Drop by tablespoons, about 1 1/2 inches apart, onto lightly greased or nonstick or parchment-lined baking sheets. Decorate with chocolate sprinkles, if desired. Bake until cookies feel firm when touched lightly (12 to 14 minutes).

Cool on wire racks.

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