Ham Wellington Recipe: How to Make It

Ingredients

• 1-3/4 cups all-purpose flour
• 1-1/2 teaspoons ground mustard
• 1/4 teaspoon salt
• 1/2 pound white cheddar cheese, shredded
• 1/2 cup cold butter, cubed
• 7 tablespoons cold water, divided
• 1 boneless fully cooked ham (3-1/2 to 4 pounds)
• 1 egg, lightly beaten