Good-Cooking - Banana Date Dream Cake

Ingredients

• 1 3/4 cups flour
• 2 1/2 teaspoons baking powder
• 1/2 teaspoon baking soda
• 1/2 cup margarine, softened
• 1 1/2 cups granulated sugar
• 2 eggs
• 1 cup mashed, ripe banana
• 3/4 cup milk, divided
• 1 (8 ounce) package dates, chopped
• 3 ounces cream cheese, softened
• 1/2 cup whipping cream
• 1 cup confectioners sugar' sugar