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1
Preheat oven to 350.
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2
Grease a 13x9 baking pan with nonstick cooking spray.
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3
In a medium bowl, combine flour, baking powder, baking soda, and salt.
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4
Set aside.
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5
Cream the butter and brown sugar.
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6
Add the eggs, one at a time, and beat until blended.
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7
Add the flour mixture slowly, mixing just until blended.
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8
Mix in the oats on low speed.
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9
Gently stir in the banana by hand until just combined.
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10
Spread batter in prepared pan and bake for 25 minutes.
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11
Put on a wire rack to cool.
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12
While the bars are cooling, make caramel icing.
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13
Put 1/4 cup butter and 1/2 cup dark brown sugar in a medium saucepan and cook and stir over medium heat until mixture comes to a boil.
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14
Add milk and bring the mixture back to a boil.
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15
Remove from heat and add confectioners' sugar.
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16
Stir vigorously until the mixture is smooth.
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17
While it is still warm pour it over the warm bars and spread to cover evenly.
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18
Work quickly so the icing doesn't harden.
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19
Immediately sprinkle chopped pecans evenly over the icing.
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20
When completely cool, cut into 18 bars.
