Tasseled or Tasselled: How To spell?

The word Tasseled is misspelled against Tasselled, which is past tense of "Tassel"

Tasselled has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings tasse & ed which should not be misspelled with single 'L'
Wrong Spelling:  tasse-l-ed 
Correct Spelling:  tasse-ll-ed 
Explore spell check of Tasselled to spell without errors.