Best Slow Cooker Chilli Con Carne (Easy To Make Ahead)

Ingredients

• 1 white onion, finely diced ((£0.15))
• 4-5 cloves garlic, minced ((£0.39))
• 800 g (2 tins) of plum tomatoes ((2x£0.40)=£0.80))
• 500 g beef mince, less than 5% fat ((£2.90))
• 400 g (1 tin) of black beans ((£0.60))
• 400 g (1 tin) of kidney beans ((£0.60))
• 350 g white rice, rinsed ((£0.48/2)=£0.24))
• 4 fresh chillies, thinly sliced ((£0.50))
• 5 tbsp sour cream ((£0.75))
• 2 tbsp tomato puree ((£0.40))
• 1 lime, cut into wedges, to serve ((£0.18))
• 1 bunch fresh coriander, roughly chopped ((£0.50))
• 1 tbsp rapeseed oil
• 1 tbsp soy sauce
• 1 tbsp honey
• Salt
• 200 ml beef stock
• 2 tsp chilli powder
• 1 tsp paprika
• 1 tsp dried thyme
• 1 tbsp cornflour + 2 tbsp water