Salmon and dill patties

Ingredients

• 600 grams red rascal potatoes, peeled, chopped
• 1 tablespoon oil
• 1 red onion, finely chopped
• 2 cloves garlic, crushed
• 415 grams can red or pink salmon, drained, flaked
• 2 tablespoons chopped dill
• 1 egg, lightly beaten, plus 1 extra beaten egg
• 1 lemon, finely grated zest
• 1/4 cup plain flour
• 1/2 cup dry breadcrumbs
• vegetable oil, for shallow-frying
• steamed beans, steamed, to serve
• lemon wedges, to serve