Romaine Salad with Candied Walnuts

INGREDIENTS

For the candied walnuts:

large egg white

3 tbsp

honey

3 tbsp

dark brown sugar

1/2 tsp

kosher salt

1/4 tsp

cayenne pepper

2 cups

walnuts

For the vinaigrette:

2 tsp

Dijon mustard

2 tbsp

fresh lemon juice

1 tbsp

white wine vinegar

1/4 tsp

kosher salt

1/4 tsp

freshly ground black pepper, plus more for serving

6 tbsp

extra virgin olive oil

1/4 cup

grated Parmesan, plus more for serving

small heads hearts of romaine lettuce