burnt offering 
noun
1An offering burnt on an altar as a religious sacrifice.Juxtaposed with the burnt offerings and other sacrifices to God is a moral code of conduct - a code which God expects us to carry out in return for a life of freedom and glory....
- This man says, you foolish people, are you going back to your burnt offerings and sacrifices?
- Once he arrives there, he must offer Isaac as a burnt offering upon the mountain.
2 humorous An overcooked or charred meal or item of food.But this year, instead of just throwing those snags on the grill and serving them up as a burnt offering, why not try some Sausagami!...
- It all started when 3 good friends from Western Massachusetts, united in their love for authentic barbecue, dressed as monks and presented ‘Burnt Offerings’.
- He cooked the steak on the barbie while I did the veg and made a quick pepper ... Sorry to hear about the burnt offerings.