HEY! I just did a Google Search and this was the first entry! I found it here:
"Elvis's Favorite Peanut Butter Sandwich
Recipe By : Mary Braun
Serves : 1
Prep. Time : 0:15
2 white bread slices
2 Tbls. creamy peanut butter
1/2 banana - very ripe
2 Tbls. butter OR margarine
-Spread 1 slice of bread with the peanut butter.
-Lay banana slices on peanut butter.
-Top with the other slice of bread.
-Melt margarine in a skillet over medium heat.
-Fry sandwich until golden brown on both sides.
NOTES : In celebration of his birthday on Jan. 8th Elvis's Favorite Peanut Butter Sandwich. Elvis would eat this with a knife and fork. No wonder he got a bit PORTLY in his later years!"