this is a duncan hines recipe that is too good for words. really.
Preheat oven to 350 °F.
Stir together cake mix, butter and egg.
Spread mixture evenly into bottom of a 13x9-inch baking pan.
Blend together sweetened condensed milk and lemon juice.
Pour mixture over top of cake mix mixture.
Bake for 23 to 27 minutes.
Cool completely.
Cut into 1 1/2x3 1/4-inch bars.
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