Quick Stovetop Macaroni and Cheese Recipe

Ingredients

• 1/2 pound cheddar cheese, grated (about 2 cups, packed)
• 1 teaspoon cornstarch
• 2 quarts water
• 1 tablespoon salt
• 2 cups uncooked elbow macaroni
• 2 tablespoons unsalted butter
• 2 tablespoons flour
• 1 1/4 cup milk, heated until steamy, but not simmering
• 1/2 teaspoon lemon juice
• 1/4 cup ham, chopped into 1/4 inch cubes
• Freshly grated black pepper