Apple and banana muffins, café style

Ingredients

• 3 cups self raising flour
• 2 teaspoons baking powder
• 3/4 cup sugar
• 1 tablespoon cinnamon
• 3 ripe bananas, mashed
• 3 small apples, peeled and diced
• 2 eggs
• 1 1/2 cups milk
• 1 teaspoon vanilla extract
• 3 tablespoons margarine, melted and cooled