Banana Cake with Caramel Frosting

Description
This recipe came from an estate sale. I obtained it when I purchased the family collection from the Keller Estate in Arlington, Texas in 1994.
 * Contributed by Catsrecipes Y-Group

Ingredients

 * 1 box yellow cake mix
 * ½ cup packed light brown sugar
 * 1 teaspoon cinnamon
 * 1 cup ripe bananas mashed
 * 1 cup water
 * ⅓ cup vegetable oil
 * 3 eggs

Caramel Frosting

 * 1 stick butter
 * ½ cup packed light brown sugar
 * ½ cup packed dark brown sugar
 * ¼ cup milk
 * 2 cups powdered sugar sifted
 * 1 teaspoon vanilla

Directions

 * 1) Preheat oven to 350°F.
 * 2) Lightly grease and flour rectangular cake pan.
 * 3) Place cake mix, brown sugar and cinnamon in a mixing bowl.
 * 4) Add bananas, water, oil and eggs then blend on low speed for 1 minute and scrape sides down then increase speed to medium and mix 2 minutes.
 * 5) Pour into pan and bake for 35 minutes.
 * 6) Allow to cool completely then make frosting.
 * 7) Prepare frosting by placing butter and brown sugars in a heavy saucepan over medium heat then stir and cook until mixture comes to a boil.
 * 8) Add milk then stir and bring back to boil.
 * 9) Remove pan from heat and add the powdered sugar and vanilla.
 * 10) Beat with a whisk until smooth then immediately pour over cooled cake.
 * 11) Garnish with toasted pecans.