Oven-Fried Chicken with Waffles and White Gravy

INGREDIENTS

For the chicken:

large boneless, skinless, chicken breast, sliced in half lengthwise

3 tbsp

mayonnaise

1 cup

salt and pepper kettle-cooked potato chips, finely crushed

For the waffles:

large egg white

2 tbsp

granulated sugar, divided

and 1/4 cups all-purpose flour

and 1/2 teaspoons baking powder

1/4 tsp

baking soda

1/4 tsp

salt

2 tbsp

unsalted butter, melted

3/4 cup

plus 2 tablespoons buttermilk

For the white pepper gravy:

2 tbsp

unsalted butter

2 tbsp

all-purpose flour

1/2 cup

plus 2 tablespoons whole milk

1/4 tsp

salt

1/4 tsp

black pepper

2 tbsp

scallions, chopped, optional