As a young child I was convinced that Sebastian Temple's musical version of the Prayer of St Francis began "Bake me a flannel of your peas.."
A childhood belief about hymns

others believed things like this
- When I was a kid, I thought the musical Mamma Mia did songs from the A*Teens (the teenage version of Abba)Anon
- When I was in preschool, the class bully told me that peas were actully cow boogers. Still won't eat peas.— Ren
- When I was a kid I found it hard to say "Sebastian". I always pronounced it "Sebastican". — Dave, Lancashire
- I used to believe that in the Christian Prayer of the Faithful, we were responding, "Lord, harrow prayer."— Smelleanor
- I used to believe that the Mormon Temple in Washington DC was Disney World. It sure does from the belt way.— William Scheren
- i used to believe that peas were toes — DJ