Slow Cooker Moroccan Chicken - Paleo, Gluten Free, & Whole 30

Ingredients

• 1 yellow onion
• 1 tsp cumin
• 1 tsp cinnamon
• 1 tsp salt
• 1/2 tsp ground ginger
• 1/4 tsp ground cloves
• 1/4 tsp ground nutmeg
• 1/4 tsp ground turmeric
• 4 boneless, skinless chicken breasts
• 1 Tbsp olive oil
• 1/2 cup raisins*