Pioneer Woman Crockpot Cheesy Potatoes is made with unsalted butter, yellow onion, garlic cloves, all-purpose flour, heavy cream, kosher salt, fresh thyme, black pepper, sharp white Cheddar cheese, Gruyere cheese, and Russet potatoes. This easy Pioneer Woman Crockpot Cheesy Potatoes recipe creates a dinner that takes about 7 hours to prepare and can serve up to 8 people.