Sources
1 www.bbc.co.uk - https://www.bbc.co.uk/food/recipes/slow_cooker_beef_curry_13533
2 thefoodcharlatan.com - https://thefoodcharlatan.com/slow-cooker-beef-curry/
3 www.foodnetwork.com - https://www.foodnetwork.com/recipes/food-network-kitchen/slow-cooker-beef-curry-3363424
4 www.tamingtwins.com - https://www.tamingtwins.com/slow-cooker-beef-curry/
5 www.cookinglight.com - https://www.cookinglight.com/recipes/slow-cooker-thai-beef-curry
6 www.kitchensanctuary.com - https://www.kitchensanctuary.com/healthier-slow-cooked-spicy-beef-curry/