Slow Cooker French Basil Chicken

Bahan-bahan (8 porsi)

• 1 tablespoon extra-virgin olive oil
• 2 medium onions, (finely chopped)
• 4 medium garlic cloves, (minced)
• 1 teaspoon herbes de Provence
• ½ teaspoon sea salt ((or more, to taste))
• ½ teaspoon freshly ground black pepper
• ½ cup dry white wine ((see Tips below))
• 1 cup chicken broth
• One 14-ounce can diced tomatoes, (including juice)
• One 14-ounce can artichoke hearts ((drained, rinsed and quartered))
• 3 pounds skinless boneless chicken ((can mix breasts and thighs, if you'd like))
• 2 large red bell peppers, (seeded and chopped)
• ½ cup finely chopped fresh basil leaves
• cooked rice or something else, (for serving over (if you'd like))