Vegetarian carrot and lentil stew

Ingredients

• 1 kilo carrots
• 250 gram lentils
• large handful (frozen) peas
• 1 large onion
• 4 garlic cloves
• 4 tablespoons tomato paste
• olive oil
• piece of ginger root
• 1 teaspoon turmeric
• 1 teaspoon ras el hanout
• 1/2 teaspoon ground chili
• 1/2 liter vegetable stock
• pepper and salt to taste
• small handful of cashew nuts
• optional for serving: creme fraîche (for a non vegan version)
• plain rice for serving
• optional: parsley for serving