Cream of Mashed Potato Soup

Ingredients (6)

• + 2 cups milk, or as needed add to pantry
• ✓ 4 cups leftover mashed potatoes
• + 2 cups cubed fully cooked ham add to pantry
• + salt and ground black pepper to taste add to pantry
• + salt and ground black pepper to taste add to pantry
• + ½ cup shredded Cheddar cheese, or to taste add to pantry