Ingredients

• 3/4 cup butter, softened
  
• 1 cup packed brown sugar
  
• 1 teaspoon baking powder
  
• 1/4 teaspoon baking soda
  
• 1/4 teaspoon salt
  
• 1 teaspoon finely shredded orange peel (optional)
  
• 1/2 cup dairy sour cream or plain yogurt
  
• 2 eggs
  
• 1 teaspoon vanilla
  
• 1 3/4 cups all-purpose flour
  
• 2 cups rolled oats
  
• 1 cup semisweet chocolate pieces
  
• 1/2 cup flaked or shredded coconut