Savory Crêpes SuzetteLa

Name: Savory Crêpes SuzetteLa
Ingredients: 2 eggs; 3/4 cup all-purpose flour; 1/2 cup milk; 1/8 teaspoon salt; 1/3 cup cold water; 1 tablespoon peanut oil or vegetable oil; 1 1/2 tablespoons melted unsalted butter; 6 ounces diced ham; 6 ounces sliced Gruyère cheese; 1 cup spinach leaves; 1 ripe tomato, sliced into small pieces; 3 egg yolks; 1/2 lemon, juiced; 1/2 cup soft unsalted butter; 1 teaspoon cold water; 1 teaspoon salt; 1 teaspoon white pepper; 1/8 teaspoon cayenne pepper; 1/2 cup chopped chives; 1/2 cup Parmigiano Reggiano, grated