Apple Cinnamon Muffins - Foodness Gracious

Ingredients

• ½ cup butter, softened
• 1 cup sugar
• 2 eggs
• 2 tsp vanilla extract
• 1 cup sour cream
• 2 cups all purpose flour
• 2 tsp baking powder
• 3 tsp ground cinnamon
• 1 ¼ cups diced apples