Vegetable Fritters

Name: Vegetable Fritters
Ingredients: 1 large egg; ¾ cup grated zucchini ((1 small zucchini)); ½ cup grated carrot ((1 small carrot)); ¼ cup finely diced red bell pepper ((¼ red bell pepper)); 2 tablespoons chopped fresh parsley; ½ cup finely crumbled feta cheese ((see note)); ½ cup all-purpose flour; ¼ teaspoon kosher salt; ¼ teaspoon ground turmeric; ⅛ teaspoon cayenne pepper, more or less to taste; 2 tablespoons milk; 1 tablespoon avocado oil, for frying ((any light-tasting oil with a high smoke point))