Spinach Mashed Potatoes

Ingredients

• 6-8 large potatoes
• 3/4 cup sour cream
• 1 teaspoon sugar
• 1/2 cup butter
• 2 teaspoons salt
• 1/4 teaspoon pepper
• 2 tablespoons chopped, dried chives
• 1/4 teaspoon dill leaves
• 1 (10 ounce) package frozen spinach, cooked
• 1 cup shredded Cheddar Cheese