In a large bowl, combine the flour, baking powder and salt.
In another large bowl cream butter and sugar,
Add eggs, milk and vanilla; mix well.
Stir in dry ingredients just until moistened.
Fold in frozen blueberries.
Fill greased or paper-lined muffin cups two-thirds full.
Combine sugar and nutmeg; sprinkle over muffins top with walnuts.
Bake at 375° for 20-25 minutes or until a toothpick comes out clean for 12 cup muffin pan or 30 minutes for 6 cup muffin pan.
Cool in pan for 10 minutes before removing to a wire rack.
Yields about 2 dozen if using 12 cup muffin pan/ if using 6 cup muffin pan Yields 12 large
ENJOY!