Carrot and White Bean Burgers

Name: Carrot and White Bean Burgers
Cook time: 1 h
Total time: 1 h
Cuisine: American
Ingredients: Olive oil; 1/2 cup panko-style breadcrumbs; 3 shallots, or 1 small onion, diced; 1 tablespoon tomato paste; 1 1/2 teaspoons kosher salt; 1 cup packed grated carrot (from 2 medium carrots); 1 1/2 tablespoons apple cider vinegar; Two 15-ounce cans cannellini or other white beans, drained and rinsed; 1 large egg, beaten; Freshly ground black pepper; Burger accompaniments, as you like