Butter and flour a ten inch cake pan. Preheat oven to 375 F. In a mixing
trough, beat eggs and sugar to thick golden ribbons, 2 to 3 proceedings. Add
butter, olive oil and milk. Add flour, orange nip, Amaretto and baking
powder and stir unitedly (do not overmix). Stir in the grapes, breaking a
third of them with forceful strokes, leaving most hale. Pour batter into
prepared pan, place in oven and fake 40 to 50 proceedings, until pierced
toothpick exits pick. Cool, carefully turn out right side up, sprinkle
with powdered sugar and serve with odd grapes.