Slow Cooker North African Inspired Meatballs

Ingredients

• 1 medium onion, chopped in 1/2″ pieces
• 1 1/2 pounds, frozen turkey meatballs, un-defrosted
• 1 16 oz can garbanzo beans, drained
• 4 cloves garlic, crushed and coarsely chopped
• 1/3 cup golden raisins
• 1/4 cup pitted green olives, drained
• 1 1/2 teaspoons ground cumin
• 1 teaspoon ground cinnamon
• 2 teaspoons ground smoked paprika
• 1 1/2 tablespoons ground sweet paprika
• 1 teaspoon ground turmeric
• 1/2 teaspoon ground cayenne pepper, or to taste
• 1 teaspoon oregano leaf, lightly crushed just before adding
• 1 tablespoon olive oil
• 1 28 oz can crushed tomatoes
• 1/2 cup water