Published 11/5/2023 We’ve all had sweet potato casserole for the holidays, but what about sweet potato au gratin? The sweet potato slices come out perfectly tender and cheesy, and the crispy Ritz cracker crust is just so satisfying. It’s the perfect comfort food dish for small family dinners and special occasions. To make this au gratin potatoes recipe, slice the potatoes and make your au gratin sauce. Then layer your casserole dish with the cream sauce and scalloped sweet potatoes, top with the Ritz cracker crumbs, and bake! Say hello to your new favorite way of eating sweet potatoes.
What You Need for Sweet Potatoes Au Gratin
9×13-inch casserole dish: make sure you use the right-sized casserole dish to ensure everything cooks evenly. Mandolin: you’ll need a mandolin to slice your sweet potatoes into thin enough layers. Sweet potatoes: any color of sweet potatoes will do. We used multicolor for the aesthetic.
Variations and Substitutions
Sweet potatoes: Keep it traditional and use regular potatoes for this recipe. Yukon gold potatoes would taste delicious. Fresh thyme: Other great herbs to use for this au gratin recipe are sage, rosemary, parsley, and oregano. 2% milk: You can swap the 2% milk for a fattier dairy milk or any plant-based milk you’d like! Cheese: This recipe will also work with shredded cheddar cheese, havarti, or gouda.
Storage + Freezer Directions
Store any leftover au gratin sweet potatoes in an airtight container in the fridge for up to 5 days. Our Favorite Mandoline
Healthy Thanksgiving Recipes
Looking for more healthy Thanksgiving recipes to fill your holiday table with? Check out all of our best turkey day recipes in one spot!
Cay you freeze sweet potato au gratin?
To freeze, you can keep them in the dish they were baked in and cover them tightly with aluminum foil or plastic wrap. Or, place them in a freezer-safe, airtight container and store in the freezer for up to 2 months.
How to Serve Sweet Potato Au Gratin
The only way these au gratin sweet potatoes can taste any better is when it’s paired with other amazing flavors. For the ultimate fall feast, enjoy your sweet potato dish with tasty mains like this Slow Cooker Pork Loin, Juicy Pan Seared Chicken Breast, or Smoked Turkey Legs. For sides, you’ll absolutely love our Balsamic Grilled Brussels Sprouts, Roasted Root Vegetables, and Apple Burrata Salad.
