It's from Guys and Dolls.
Lyrics: I Love You A Bushel And A Peck. What Is The Song?
I thought it was from "Oklahoma!", Rogers & Hammerstein
I heard it once in a singing easter bunny stuffed animal.
The Lyrics that you've mentioned in your question are from the song "A Bushel and a Peck" sung by Prince, Faith. The lyrics can be viewed on the following link.
Lyrics
Lyrics