Polish Cream Cheese Coffee Cake

INGREDIENTS

• 1 cup white sugar
• 1/2 cup butter
• 1 egg
• 1 cup sour cream
• 1 teaspoon vanilla extract
• 3 cups all-purpose flour
• 1 teaspoon baking soda
• 1 teaspoon baking powder
• Filling:
• 2 (8 ounce) packages cream cheese, softened
• 1/2 cup white sugar
• Topping:
• 1/2 cup chopped pecans
• 1/2 cup brown sugar
• 1/3 cup all-purpose flour
• 1/3 cup butter