The most common and most likely answer to this crossword clue is the 6 plus 5 letter word GOLDEN SYRUP
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More clues leading to the result GOLDEN SYRUP
- Awfully ugly person hugging daughter: that’s very sweet
- Rodney plugs terrible sweetener
- Ends up overwhelmed with glory, which is very sweet
- Terribly ugly person hugging daughter; that’s sweet
- Cooking ingredient, gluey drops plastered round end of spoon?
- Blonde toupe that’s very sweet
- Sweetener for tart in bygone days presented in grand rug
Buddy explains!

The straight part
We know that "that’s very sweet" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case that’s very sweet = golden syrup.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.