Creamy Berry Muffins

From Southern Living Magazine

1 package berry muffin mix
1 cup blueberries
cream cheese

Prepare muffin mix according to package. Stir in blueberries. Spoon batter into prepared muffin pans 2/3 full. Drop 2 tsp cream cheese onto center or batter in each muffin cup. Bake muffins according to package directions.