Lemon Spread--Lemon Curd?

Directions

1. 1
   Beat egg well.
2. 2
   In small saucepan, stir together all ingredients.
3. 3
   Without bringing to a boil, cook over moderately low heat, stirring constantly, until mixture thickens--about 5 minutes.
4. 4
   Cover and chill about 1 hour.