Corn Remoulade | Emerils.com

Ingredients

• 1 tablespoon unsalted butter
• 1 cup corn kernels (from 1 large or 2 small ears of corn)
• 3/4 teaspoon salt, or more to taste
• 1/4 cup chopped yellow onions
• 1/4 cup chopped green onions (green and white parts)
• 1/4 cup chopped celery
• 3 tablespoons Creole or other spicy whole-grain mustard
• 3 tablespoons Dijon mustard
• 3 tablespoons fresh lemon juice
• 3 tablespoons chopped fresh flat-leaf parsley
• 1 tablespoon plus 1 teaspoon ketchup
• 1 tablespoon prepared horseradish
• 1/4 teaspoon cayenne, or more to taste
• 1 large egg
• 1 cup vegetable oil