Slow Cooker French Onion Sausage and Potatoes Tips, FAQ & printable recipe

Tips for success

For a deeper flavor profile, consider pre-browning the sausage coins in a skillet over medium-high heat for 2-3 minutes before adding them to the slow cooker. While not strictly necessary, this step adds a layer of caramelization that complements the French onion soup base.

Ensure the skillet is wiped clean and the sausage is drained of excess fat before adding it to the slow cooker to keep the final gravy from becoming overly greasy.

If the gravy appears too thin at the end of the cooking time, you can thicken it by mashing a few of the cooked potato cubes directly into the sauce. This simple trick uses the natural starch from the potatoes to bind the liquid into a thicker, more luxurious gravy.

Alternatively, leave the lid off for the final 30 minutes of cooking to allow excess moisture to evaporate, concentrating the savory flavors of the French onion soup.

Variations

• Cheesy Onion Sausage: Stir in 1 cup of shredded Gruyère or Swiss cheese during the final 10 minutes of cooking until melted and bubbly for a rich, creamy finish.
• Spicy Onion Sausage: Add 1 tablespoon of red pepper flakes or a teaspoon of hot sauce to the French onion soup before pouring it over the vegetables for a subtle heat.

Storage and make-ahead

Fridge

Store in an airtight container for up to 3 days.

Freezer

Freeze in a freezer-safe container for up to 2 months.

Reheat

Reheat in a microwave or on the stovetop over medium heat until steaming hot throughout.

Allow the leftovers to cool to room temperature for no more than 2 hours before transferring them to an airtight container. This prevents bacterial growth and keeps the ingredients fresh for longer.

Once cooled, store the container in the refrigerator immediately. The flavors often deepen overnight, making the leftovers taste even better the next day. Properly stored, the dish will remain safe and flavorful for up to 3 days in the refrigerator.

This dish is excellent for making ahead of time. You can prepare the ingredients and store them in the refrigerator in the slow cooker insert overnight, then simply place the insert into the base and start the cooking process in the morning. Note that if the insert is cold from the refrigerator, you may need to add an extra 30 minutes to the total cooking time to allow the contents to reach the proper temperature.

Serving ideas

Serve this dish hot, ideally in wide, shallow bowls that allow the thick gravy to settle around the sausage and potatoes. A sprinkle of fresh parsley or an extra pinch of thyme can add a bright, fresh finish to the plate. Because the dish is rich and savory, it pairs perfectly with a side of steamed green beans or a crisp, acidic green salad to provide a refreshing contrast to the hearty flavors of the French onion base.

For a more indulgent serving option, consider topping each bowl with a slice of toasted crusty bread and a small amount of melted gruyère or swiss cheese, mimicking the classic presentation of French onion soup.

This addition brings a crunchy texture and a creamy, cheesy element that complements the tender potatoes and savory sausage. Serve immediately while the cheese is melted and bubbly for the best experience, ensuring the bowl is warm to keep the dish at the perfect temperature.

Frequently asked questions

Recipe card

Slow Cooker French Onion Sausage and Potatoes

Prep 10 minCook 6 hRest 5 minTotal 6 h 15 minServes 4

Ingredients

• 1 lb smoked sausage, sliced into coins
• 1 1/2 lb gold potatoes, cut into 1-inch cubes
• 2 cups yellow onions, sliced into half-moons
• 1 tsp dried thyme
• 1 can (10.5 oz) condensed French onion soup

Instructions

1. Place the sliced smoked sausage into the bottom of the slow cooker insert. Add the cubed gold potatoes and the sliced onions on top of the sausage in an even layer.
2. Sprinkle the dried thyme over the top of the onion layer. Pour the condensed French onion soup over the entire mixture. Cover the slow cooker and set it to low for 6 hours.
3. Check that the potatoes are fork-tender and the sausage has reached an internal temperature of at least 160°F (71°C). Let the dish rest for 5 minutes before serving to allow the gravy to thicken slightly.

Contains: gluten, milk

Estimated nutrition per serving

Calories

420

Protein

18 g

Carbohydrates

35 g

Fat

22 g

Fiber

4 g

Sugar

5 g

Sodium

950 mg

Automatic estimate from the ingredient list, not laboratory-verified.