Red, White and Blue Potato Gratin – Eat Wisconsin Potatoes

Ingredients

• 1 package refrigerated pie crusts (14.1 oz, 2 crusts)
• 1 tablespoon chopped fresh basil
• 1/4 teaspoon freshly ground black pepper
• 2 cups shredded gouda cheese
• 1 pound blue potatoes (thinly sliced)
• 1 pound white potatoes (thinly sliced)
• 1 pound red potatoes (thinly sliced)
• 1 1/2 teaspoons Garlic salt
• 3/4 cup heavy cream
• 1/4 cup Italian flavored Panko bread crumbs
• 3 large fresh basil leaves (sliced in thin strips)
• 12 oz sour cream (optional)