Oooh La La! French Savoury Ham, Cheese and Olive Cake

Ingredients

• 4 eggs
• 1 2/3 cups plain white flour
• 2 1/2 teaspoons baking powder
• 1/3 cup olive oil
• 2 tablespoons butter , melted
• 1/2 cup dry white wine
• 1/4 cup port wine
• 1 1/2 cups pitted green olives or 1 1/2 cups pitted black olives
• 2 cups chopped ham
• 2 cups gruyere or 2 cups emmenthaler cheese
• salt
• pepper