
4 large eggs
Nonstick cooking spray
3 cups all-purpose flour
1 tablespoon sugar
1 tablespoon baking powder
1 teaspoon salt
½ teaspoon baking soda
½ cup cold butter, cut up
1 cup shredded (4 ounces) cheddar cheese
¼ cup chopped fresh chives
¾ cup milk
½ cup sour cream
2 tablespoons melted butter, optional