- 5 minutes
- 10 minutes
- Preheat oven to 350 degrees F
Microwave butter in a large bowl until melted
Add sugars and blend well
Beat eggs in one at a time
Sift flour and baking powder into the bowl and stir. Stir in vanilla.
Use a rubber spatula to spread into a 9” x 13” pan. Bake for 30 minutes (Center will be firm but not hard).