Preheat oven to 325° F.

Lightly coat a 9-inch square baking dish or pie plate with olive oil spray.

Combine all ingredients in blender or food processor until well blended.

Pour into baking dish or pie plate.

Bake for about 30 minutes, until knife inserted into center comes out clean.

This dish may be made up to 3 days ahead; cover and refrigerate. Reheat at 250° F for about 15 minutes, or until warm. May also be frozen.