One of the heads of garlic I grew turned out to be just one solid clove
[Image description: a perfectly round peeled bulb of garlic on a cutting board, with unpeeled normal cloves behind it.]
[Image description: a perfectly round peeled bulb of garlic on a cutting board, with unpeeled normal cloves behind it.]
there's also a breed of garlic which always grows like that, you may have a "mutant" there