3 spinach potatoes and bacon gratin Recipes

sliced red potatoes (about 7 large potatoes), water, butter, chopped onion, king arthur unbleached all-purpose flour, milk, shredded cheddar cheese, salt, chopped fresh spinach, diced pimientos, bacon strips, cooked and crumbled

red and yellow potatoes, butter, chopped green onion, all-purpose flour, milk, salt, shredded cheddar cheese, or more to taste, salt and ground black pepper to taste, chopped fresh spinach, diced pimento pepper, cooked bacon, crumbled