Preheat oven to 350 degrees F (175 degrees C). Grease a 9x9 inch baking pan.
In a large bowl, combine the mashed sweet potato, pineapple, sugar, vanilla extract, butter and nutmeg. Beat the eggs in a separate bowl, then stir into the sweet potato mixture.
Pour the mixture into the prepared baking pan. Bake for 30 minutes in the preheated oven, or until the top is golden brown.
Remove from oven and let cool. Serve warm.
Interesting Facts
Souffles have been around since the 18th century.
The pineapple is the symbol of hospitality.
Sweet potatoes are an excellent source of vitamin A.