Butterscotch Banana Bars

1/2 cup butter or margarine
1/2 cup granulated sugar
3/4 cup light brown sugar, packed
2 eggs
2 cups all-purpose flour
1 teaspoon baking soda
1 teaspoon salt
1/2 cup buttermilk
3 ripe bananas

In a bowl, combine margarine or butter, sugars and eggs. Add flour, soda, salt, buttermilk and ripe bananas. Beat at medium speed with mixer until well combined. Pour into a greased 15 x 10-inch pan. Bake at 350 degrees F for 30 to 35 minutes. Cool and frost.

Frosting:
4 tablespoons butter
1 1/2 cups light brown sugar
4 tablespoons milk
2 cups confectioners' sugar
Chopped nuts, if desired

In a saucepan, melt together butter, brown sugar and milk. Do not boil. Stir in confectioners' sugar until smooth. Pour immediately over Butterscotch Banana Bars. Sprinkle with chopped nuts, if desired.

Makes about 3 dozen.