Oven temperature is too hot
Set oven to temperature recommended on package directions. Check oven for accuracy using an oven thermometer.
Product is old and out of code date
Dispose of out of date products.
Oven temperature is too cold
Follow label directions for proper oven temperature. Check oven for accuracy using an oven thermometer.
Bars have been thawed
For best results, bake bars from a frozen state.
Bars are most likely underbaked
Bake bars to time range recommended on package directions. Check oven for accuracy using an oven thermometer.
Bars are over baked
Bake bars to time range recommended on package directions. Have oven checked for accuracy using an oven thermometer.
Follow package directions for proper oven temperature. Have oven checked for accuracy using an oven thermometer.