Chick-fil-A Egg White Grill Copycat

Bahan-bahan (4 porsi)

• 1 pound boneless skinless chicken breast
• 2 teaspoons onion powder
• 2 teaspoons garlic powder
• ½ cup pickle juice
• 1 lemon (zest & juice)
• 1 teaspoon olive oil
• 1 ½ cups egg whites
• ¼ teaspoons kosher salt (divided)
• 4 light multi-grain English muffins
• 4 slices cheddar cheese ( or American cheese (2 ounces))