Ham Corn Au Gratin

Ingredients

• 2 teaspoons butter
• 5 teaspoons all-purpose flour
• 1/4 teaspoon ground mustard
• 1/8 teaspoon pepper
• 1 cup milk
• 1 cup diced fully cooked ham
• 1-1/4 cups frozen corn, thawed
• 2 tablespoons finely chopped green pepper
• 1 tablespoon finely chopped onion
• 1/4 cup shredded cheddar cheese
• 1/4 cup crushed butter-flavored crackers (about 7 crackers)
• 2 teaspoons butter, melted
• Paprika