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Slow Cooker Sausage and Lentil Casserole

A delicious slow cooker sausage and lentil casserole served in a bowl
Recipes
  • Picture of Jennifer Scott Jennifer Scott
  • August 30, 2025

Why Make This Recipe

Slow cooker sausage and lentil casserole is a warm and hearty meal perfect for busy days. It’s easy to prepare and cooks itself while you focus on other tasks. This recipe combines the delicious flavors of sausages with the nutrition of lentils and fennel, making it a well-rounded option for dinner. Plus, the slow cooker makes it simple to achieve tender meat and rich flavors without much hassle.

How to Make Slow Cooker Sausage and Lentil Casserole

Ingredients:

  • Spray oil
  • 375g/13oz pork chipolata sausages (about 12 sausages)
  • 1 bulb fennel, finely sliced, leafy fronds reserved for garnish
  • 200g/7oz dried green lentils
  • 700ml/1¼ pint chicken stock
  • 2 bay leaves (optional)
  • Large pinch fennel seeds, ground
  • 2 small onions, thinly sliced
  • 1 fat garlic clove, crushed
  • 125ml/4fl oz dry white wine

Directions:

  1. If necessary, preheat your slow cooker.
  2. Heat a little spray oil in a frying pan set over high heat. Once hot, add the sausages and fry until browned all over.
  3. Meanwhile, add the fennel, lentils, chicken stock, bay leaves (if using), and fennel seeds to the slow cooker.
  4. Transfer the browned sausages to the slow cooker.
  5. Using the same pan, gently fry the onions until softened. Add the garlic and fry for a minute.
  6. Turn up the heat and add the wine; let it bubble for a minute, then pour the mixture into the slow cooker.
  7. Season generously with salt and pepper, and give it a stir.
  8. Cover with a lid and cook on high for 4 hours or low for 7–8 hours.
  9. Serve in warmed bowls garnished with the reserved fennel fronds.

How to Serve Slow Cooker Sausage and Lentil Casserole

This casserole is best served warm in deep bowls. You can garnish it with the reserved fennel fronds to add a touch of color and flavor. Pair it with a slice of crusty bread for a complete meal.

How to Store Slow Cooker Sausage and Lentil Casserole

Leftover sausage and lentil casserole can be stored in an airtight container in the refrigerator. It will keep well for up to 3 days. To reheat, simply warm it in a saucepan over low heat or in the microwave until heated through.

Tips to Make Slow Cooker Sausage and Lentil Casserole

  • For added flavor, you can use homemade chicken stock instead of store-bought.
  • If you like a bit of heat, consider adding some chopped chili or paprika to the mix for a spicy kick.
  • Make sure to rinse the lentils before adding them to the slow cooker to remove any dust or debris.

Variation

You can switch out the sausages with turkey or chicken sausages for a lighter version. Additionally, try adding other vegetables like carrots or celery to enhance the flavor and nutrition of the dish.

FAQs

1. Can I use other types of lentils?
Yes, you can use other lentils like brown or red lentils, but cooking times may vary. Red lentils cook faster and may break down more, while brown lentils hold their shape better.

2. Can I freeze the casserole?
Yes, you can freeze this casserole after it has cooled completely. Store it in a freezer-safe container for up to 3 months. Thaw in the refrigerator before reheating.

3. Is it necessary to brown the sausages before cooking?
While it is not strictly necessary, browning the sausages enhances their flavor and gives a nice texture to the dish. It helps to seal in juices, making them more delicious.

PrevPreviousSlow Cooker Chinese-Style Beef
NextLamb and Lentil CurryNext
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Jennifer Scott

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