Deep-Fried Prawn and Rice Croquettes

Ingredients (14)

• ✓ 2 tablespoons butter
• + ½ onion, finely chopped add to pantry
• + 4 ounces peeled shrimp, chopped add to pantry
• + 2 tablespoons all-purpose flour add to pantry
• + 1 tablespoon white wine add to pantry
• + ½ cup milk add to pantry
• + 2 cups cooked rice add to pantry
• + 1 tablespoon grated Parmesan cheese, or more to taste add to pantry
• + 1 teaspoon chopped fresh dill, or more to taste add to pantry
• ✓ 1 teaspoon salt
• + ground black pepper add to pantry
• ✓ vegetable oil for frying
• + 1 egg add to pantry
• + ½ cup bread crumbs add to pantry