Dinner · Part 3 of 3: Tips & recipe card
Slow Cooker Smoked Sausage and Cauliflower Au Gratin Tips, FAQ & printable recipe

- Prep
- Cook
- Total
- Serves
- 4
Tips for success
If a slightly thicker sauce is desired, stir in a small amount of shredded cheddar cheese or a dollop of sour cream during the final ten minutes of cooking. This adds an extra layer of richness and helps to bind the sauce more effectively to the cauliflower florets, creating a more decadent texture that mimics a traditional au gratin.
Adjust the intensity of the garlic flavor by adding a pinch of dried herbs like thyme or parsley. These subtle additions complement the smoky profile of the sausage without overpowering the creamy cheddar base.
Always taste the sauce before serving to determine if an extra pinch of black pepper or salt is needed to balance the flavors to personal preference.
Variations
- Spicy Sausage Version: Incorporate sliced jalapeños or a teaspoon of red pepper flakes into the layering process to add a pleasant heat that cuts through the creamy cheddar sauce.
- Herb-Crusted Finish: Before serving, top the dish with a mixture of breadcrumbs and parmesan cheese, then broil for 2 minutes to create a golden, crispy crust on top of the gratin.
Storage and make-ahead
- Fridge
- Store in an airtight container in the refrigerator for up to 3 days.
- Freezer
- Freezing is not recommended as the texture of the cauliflower and the consistency of the cheese sauce may degrade significantly upon thawing and reheating.
- Reheat
- Reheat in the microwave in 30-second intervals, stirring occasionally, until hot throughout. Alternatively, warm gently in a saucepan over low heat.
Transfer leftovers to an airtight container within 2 hours of cooking. Storing the dish in the refrigerator helps maintain the integrity of the sauce and prevents the cauliflower from becoming overly soft. Consume within three days for the best quality, as the sauce may separate slightly upon repeated reheating if kept for longer periods.
This dish is excellent for meal prep as the flavors continue to develop after sitting. Assemble the ingredients in the slow cooker insert, cover, and refrigerate for up to 24 hours before cooking.
When ready to serve, simply place the insert into the slow cooker and increase the initial cooking time by about 30 minutes to account for the cold ingredients.
Serving ideas
Serve this dish hot directly from the slow cooker or plated individually. It pairs beautifully with a side of crusty bread or a fresh, crisp green salad to cut through the richness of the cheese sauce.
The contrast between the creamy, savory cauliflower and the crunchy, toasted bread creates a balanced eating experience that highlights the comforting nature of the meal.
For a more refined presentation, garnish each serving with a sprinkle of chopped fresh parsley or a dusting of paprika. These additions provide a pop of color and a fresh note that elevates the appearance of the dish.
Whether served as a main course or a hearty side, it remains a versatile option that satisfies cravings for something warm and savory.
Frequently asked questions
Can other vegetables be used instead of cauliflower?
Why does the sauce appear watery after cooking?
Is it possible to use fresh garlic instead of garlic seasoning?
Slow Cooker Smoked Sausage and Cauliflower Au Gratin

Ingredients
- 1 lb smoked sausage, sliced into rounds
- 1 head cauliflower, cut into florets
- 1 tbsp garlic seasoning
- 1 can (10.5 oz) condensed cheddar cheese soup
Instructions
- Place the sliced smoked sausage rounds across the bottom of the slow cooker. Add the cauliflower florets in an even layer over the sausage, then sprinkle the garlic seasoning over the top.
- Pour the condensed cheddar cheese soup over the seasoned cauliflower. Cover the slow cooker with the lid and set to low. Cook for 4 hours until the cauliflower is tender and the sausage is heated through to 160°F (71°C).
- Once cooked, gently stir the contents to combine the cheese sauce with the sausage and cauliflower. Allow the dish to rest for 5 minutes before serving to let the sauce thicken slightly.
Estimated nutrition per serving
- Calories
- 420
- Protein
- 18 g
- Carbohydrates
- 12 g
- Fat
- 34 g
- Fiber
- 3.5 g
- Sugar
- 4 g
- Sodium
- 950 mg
This recipe is based on a short cooking video and is published under the pen name Clara Weller. It was checked before publication, but errors can slip through. Nutrition, when shown, is an estimate. Read more in our editorial policy and on our food safety page.






