Crispy Vegetable Fritters | America's Test Kitchen

Ingredients

• 1/3 cup mayonnaise
• 1 tablespoon prepared horseradish , drained
• 1 tablespoon lemon juice
• Salt and pepper
• 1/2 cup (2½ ounces/71 grams) plus 1 tablespoon all-purpose flour
• 1/2 cup (2 ounces/57 grams) plus 1 tablespoon cornstarch
• 1/2 teaspoon baking powder
• 3/4 cup seltzer
• 1 cup thinly sliced red bell pepper
• 1 cup shredded zucchini
• 1/2 cup shredded carrot
• 1/2 cup thinly sliced onion
• 1/2 cup fresh cilantro leaves
• 2 scallions , cut into 1/2-inch pieces
• 1 garlic clove , minced
• 1 1/2 cups vegetable oil