The new breakfast treat will start hitting grocery shelves in late December and will be available nationwide in early January.IHOP and General Mills are teaming up for the release of IHOP Mini Pancake Cereal - Blueberry & Syrup. The new breakfast treat will start hitting grocery shelves in late December and will be available nationwide in early January. The box is filled with tiny pancake-shaped cereal “with natural and artificial blueberry and syrup flavor.”