Mix all ingredients together and pour into a greased 9x13 pan. Sprinkle approx 1/2 c brown sugar and 1/2 c pecans over the batter. Bake at 350 for 40 min depending on you oven. . To prepare icing, combine butter, milk and sugar in a medium saucepan. Bring to a boil and cook until thickened, this may take 15-20 minutes. Add vanilla. Pour icing over cake while it is still warm. Cool and store in the refriderator.
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