Ingredients

• 1 tablespoon olive oil
• 1 onion, diced
• 4 cups vegetable stock, divided
• 1/2 cup peanut butter
• 2 cups canned diced tomatoes, with juices
• 1/4 teaspoon crushed red pepper flakes, or more to taste
• 1 cup finely chopped cabbage
• 1 cup chopped sweet potato
• 1 cup peeled and chopped carrot
• 1 cup peeled and chopped turnip
• 1 cup chopped okra
• 1 cup chopped cooked chicken, or to taste