At the most basic level, most ciders are produced using a blend of sweet, sour, and bitter apple and pear varieties.
One of the principal ingredients in the mummy balsam is colocynth, or bitter apple, powdered.
Felix prayed earnestly that he might be enabled to eat a bitter apple without making a face.
Schweckerle had to bite into a bitter apple several times, as one after another of his children faithlessly abandoned him.
"He's praying that you'll never be able to eat a bitter apple without making a face," she said.