Dinner · Part 2 of 3: Instructions
Slow Cooker Savoyard Potato Gratin Step-by-step instructions

- Prep
- Cook
- Total
- Serves
- 4
Before you start
Before beginning, ensure all potatoes are washed, peeled, and sliced into even rounds. Having the cheese shredded and the broth measured and heated will streamline the assembly process. Clear sufficient space on your kitchen counter for the slow cooker insert to sit stably.
Ensure your slow cooker is clean and ready, with the power cord positioned safely away from any water sources or heat-sensitive surfaces. Having all components ready for assembly allows you to layer the dish quickly, ensuring the ingredients are ready to cook immediately.
Ingredients at a glance (4)
- 2 lb potatoes, peeled and thinly sliced
- 1 cup shredded cheese
- 2 tsp minced garlic
- 1 cup hot beef broth
Instructions
Initial Assembly
- Layering the ingredientsArrange the thinly sliced potatoes in the bottom of the slow cooker insert. Distribute the shredded cheese evenly over the potato layer to ensure every bite is flavorful.Look for Potatoes should be evenly distributed across the bottom surface.Tip Slice the potatoes as thinly as possible for a more uniform and consistent texture.
At this stage, the slow cooker contains a neat base of potato slices topped with a layer of shredded cheese. The ingredients should be arranged evenly across the base of the insert to ensure balanced cooking. The assembly should look clean and organized before the liquids are added. Check that the potato slices are not clumped together to ensure proper heat circulation throughout the entire cooking process.
Adding Aromatics and Liquid
- Adding aromatics and liquidScatter the minced garlic over the cheese and potato layer. Carefully pour the hot beef broth over the ingredients to provide the necessary moisture for cooking.Look for Broth should be evenly distributed over the top of the ingredients.Tip Using hot broth helps to reduce the initial heating time inside the slow cooker.
The slow cooker now contains the potatoes, cheese, garlic, and hot beef broth. The broth should be visible around the edges of the potatoes but not completely submerging them.
This stage is ready when the garlic is evenly distributed over the top. Check that the broth is warm, as this jumpstarts the cooking process and helps maintain a consistent temperature inside the appliance during the initial heating phase.
Slow Cooking
- Cooking and finishingCover the slow cooker and cook on high for four hours or until the potatoes are completely tender. Once finished, allow the gratin to rest for ten minutes before serving to let the sauce thicken.Look for Potatoes are fork-tender and the liquid is mostly absorbed.Tip Check the tenderness of the potatoes near the edges of the slow cooker insert.
The final stage involves the four-hour cooking cycle. The gratin is finished when the kitchen smells aromatic and the potatoes are soft and creamy. You should see a glossy, thick sauce coating the tender potatoes. Before serving, verify that the potatoes are fully cooked through by inserting a fork into the center of the dish. A ten-minute rest is essential to allow the sauce to set properly before serving.
Common mistakes
A common mistake is slicing the potatoes too thickly, which prevents them from cooking through uniformly, leaving the centers hard while the edges turn to mush. Ensure the slices are consistent to avoid this issue.
Another error is overfilling the slow cooker, which can cause the liquid to boil over or prevent even heat distribution. Avoid lifting the lid frequently during the cooking process, as this releases essential steam and significantly increases the total cooking time required for the potatoes to become tender.
How to tell it’s done
The gratin is done when the potatoes are fork-tender and offer no resistance when pierced. The liquid should be mostly absorbed into the potatoes, creating a thickened, creamy consistency.
If the potatoes still feel firm, continue cooking for another thirty minutes before checking again. The final dish should be steaming, glossy, and fragrant with the aroma of garlic and melted cheese, ready to be served immediately after the short resting period.
Up next · Part 3 of 3
2 variations · storage & make-ahead · 3 answers · printable card
Tips, FAQ & printable recipe (Part 3)← Back to the ingredients (Part 1)