Crispy Chicken And Vegetable Croquettes

Name: Crispy Chicken And Vegetable Croquettes
Ingredients: 4 skinless, boneless chicken thighs; 1 small onion, coarsely chopped; 1 leek, white and light green parts only, cut into 1-inch lengths; 1 carrot, cut into 1-inch chunks; 1 garlic clove; 1 tablespoon olive oil; 1 tablespoon Madras curry powder; Salt and freshly ground pepper; 2 cups whole milk; 1 stick (4 ounces) unsalted butter; 3/4 cup all-purpose flour, plus more for dusting; About 1 quart vegetable oil, for deep frying; 2 eggs; 1 cup dry bread crumbs