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1
For the first layer, In a large bowl, cream together butter and sugar.
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2
Add eggs, chocolate, vanilla and blend well.
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3
Combine flour and baking powder, then stir into chocolate mixture.
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4
Fold in chopped pecans, then pour mixture into a greased 9x13 pan.
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5
For the second layer, In another bowl cream together cream cheese and butter.
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6
Beat in sugar, egg, vanilla and flour until well blended, then fold in pecans and spread over first layer. Then sprinkle with chocolate chips.
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7
Bake at 350' for about 20-25 minutes or until edges pull away from the pan.
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8
Remove from oven and sprinkle with marshmallows and bake 1-2 minutes longer or until they puff up. Remove from oven and if need be, spread out marshmallows so the layer is even (Work quickly!).
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9
Cool completely.
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10
Third Layer:
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11
In a heavy saucepan, combine butter, 2 oz. of cream cheese, milk and chocolate square.
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12
Simmer over low heat, stirring constantly until smooth.
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13
Transfer to a mixing bowl, add powdered sugar and vanilla, beat until smooth.
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14
When cooled slightly, Spread over bars and refrigerate until set. Then cut into squares and serve. Store in refrigerator.