Directions

1. In a large bowl, stir together mashed potatoes and parsley; season with salt and pepper.
2. In a shallow bowl, place flour; season with salt and pepper.
3. In another shallow bowl, whisk egg with 1 tablespoon water.
4. In a third shallow bowl, place 1 1/2 cups breadcrumbs.
5. Form potato mixture into 3/4-by-2-inch logs.
6. Roll in flour, shaking off excess, dip in egg wash, then roll in breadcrumbs to coat.
7. In a heavy medium saucepan, heat 1 1/2 inches vegetable oil over medium-high until hot. In batches, fry croquettes until golden brown on all sides, about 2 minutes per batch, turning as needed.
8. Drain on paper towels.