Slow Cooker Chicken and Mushroom Stew

INGREDIENTS

• 1/2 cup all-purpose flour
• 1 teaspoon dried basil
• 1 teaspoon dried thyme
• 1 teaspoon dried rubbed sage
• 1 teaspoon ground black pepper
• 5 chicken thighs, quartered
• 1 tablespoon olive oil, or as needed
• 1 large yellow onion, diced
• 1 large bell pepper, diced
• 8 ounces chorizo sausage, thinly sliced
• 2 cloves garlic, crushed
• 1 (8 ounce) package sliced fresh mushrooms
• 1 cup chicken stock
• 1 (10.75 ounce) can cream of mushroom soup
• 1 (10.75 ounce) can cream of celery soup
• 1 cup sour cream
• 2 teaspoons Cajun seasoning
• 1 teaspoon cayenne pepper