Preheat oven at 350 F. Beat eggs and sugar together in medium bowl. Mix soda with flour in another bowl; add alternately with pineapple to egg-sugar mixture. Add vanilla; mix well. Pour into 9 x l2 inch baking pan which has been greased and floured or use Bakers Joy to prepare pan.
For topping, boil butter, milk, and sugar 2 to 3 minutes. Spread over hot cake, Cool.
Cajun Country -- New Iberia, Louisiana