In a medium skillet, cook the sausage and break up into small bits. Add the hash browns and butter to skillet. Let butter melt and combine with hash browns and sausage. Remove from heat and let cool slightly.
In a large bowl, stir together flour, baking powder, cheese, parsley, salt and pepper. Stir in milk and eggs. Mix until a batter forms. Fold in sausage mixture.
Pour batter into heated waffle maker and cook until golden.