Healthy Slow Cooker Sausage & Bean Casserole Recipe

A hearty, healthy and budget‑friendly slow cooker recipe that’s perfect for chilly winter nights. Packed with protein, fibre and flavour, this sausage and bean casserole is ideal for families, batch cooking or cosy weekend meals.

Why You’ll Love This Recipe

• Healthy, filling and high‑protein
• Uses simple, affordable ingredients
• Perfect for slow cooker beginners
• Freezer‑friendly
• Great for batch cooking
• Looking for more winter warmers? Try our carrot, coriander and parika soup recipe.

Recipe Overview

• Serves: 4
• Prep Time: 10 minutes
• Cook Time: 6–7 hours (low) or 3–4 hours (high)
• Difficulty: Easy
• Calories: Approx. 390 per serving (varies by sausage type)

Ingredients

Main Ingredients

• 6 reduced‑fat pork sausages (These healthier reduced‑fat pork sausages – hold their shape beautifully in the slow cooker.)
• 1 large onion, diced
• 2 garlic cloves, crushed
• 2 carrots, sliced
• 1 red pepper, chopped
• 1 tin (400g) chopped tomatoes
• 1 tin (400g) cannellini beans, drained (These cannellini beans stay firm and creamy even after long cooking.)
• 1 tin (400g) baked beans
• 300ml chicken stock
• 1 tbsp tomato purée
• 1 tsp smoked paprika
• 1 tsp dried mixed herbs
• Salt & pepper to taste

Optional Add‑Ins

• A handful of spinach
• 1 tsp chilli flakes
• 1 tbsp Worcestershire sauce
• 1 tbsp maple syrup (for sweetness)

Method

1. Brown the sausages (optional but recommended)

Heat a non‑stick pan and lightly brown the sausages for 3–4 minutes. This non‑stick frying pan — perfect for quick browning without extra oil.

2. Add everything to the slow cooker

Place the sausages into the slow cooker, then add:

• onions
• garlic
• carrots
• peppers
• chopped tomatoes
• cannellini beans
• baked beans
• stock
• tomato purée
• herbs and spices

3. Stir gently

Mix everything together so the flavours combine.

4. Cook

• Low: 6–7 hours
• High: 3–4 hours

5. Add optional extras

Stir in spinach or chilli flakes during the last 20 minutes.

6. Serve

Serve with crusty bread, mashed potatoes or rice.

Serving Suggestions

• Spoon over creamy mashed potatoes
• Serve with crusty wholemeal bread
• Add steamed greens on the side
• Top with fresh parsley

Storage & Freezing

• Fridge: Store in an airtight container for up to 3 days
• Freezer: Freeze for up to 3 months
• Reheat: Microwave or reheat gently on the hob

Variations

Vegetarian Version

Swap sausages for:

• Veggie sausages
• Butter beans
• Lentils

Spicy Version

Add:

• 1 tsp chilli powder
• ½ tsp cayenne
• Chorizo slices

Lower Cost Version

Use:

• Tinned mixed beans
• Frozen onions and peppers
• Value sausages