Slow Cooker Sweet Potato and Lentil Stew Recipe - Booths

Ingredients

• 1 tbsp olive oil
• 1 onion, finely diced
• 2 celery sticks, sliced
• 2 sweet potatoes, peeled and chopped
• 100g brown lentils
• 2 peppers, chopped
• Large handful of spinach
• 1 tsp garlic powder
• 1 tsp cumin powder
• 1 tsp ground coriander powder
• 2 tsp paprika
• 400g chopped tinned tomatoes