Start by preparing your ingredients: dice the onion, mince the garlic, thinly slice the carrots, and roughly chop the spinach. Rinse and drain the chickpeas, and open the cans of tomatoes.
Add the chickpeas, crushed tomatoes, diced onion, minced garlic, and sliced carrots into the slow cooker. Pour over the vegetable broth and stir in smoked paprika and cumin, ensuring everything is evenly coated with spices.
Cover the slow cooker and set it to low. Let it cook for 6 to 8 hours until the chickpeas are tender and the flavors meld, filling your kitchen with a warm, smoky aroma.
About 30 minutes before the cooking time ends, stir in the chopped spinach. It will wilt quickly, adding vibrant color and fresh flavor to the stew.
Squeeze fresh lemon juice into the stew, stirring well to brighten the flavors. Taste and adjust salt and pepper as needed.
Once finished, turn off the slow cooker and let the stew rest for 10 minutes, allowing the flavors to settle and thicken slightly. Serve hot in bowls, garnished with fresh herbs if desired, and enjoy this comforting, hearty dish.