Potato Spinach Casserole

Ingredients (8)

• + 7 large potatoes, peeled and cubed add to pantry
• + 1 (10 ounce) package frozen chopped spinach, thawed and drained add to pantry
• + 1 cup sour cream add to pantry
• + ¼ cup butter add to pantry
• + 2 tablespoons chopped green onions add to pantry
• + 2 teaspoons salt add to pantry
• ✓ ¼ teaspoon black pepper
• + 1 cup shredded Cheddar cheese add to pantry