Bring large pot to medium heat and add the oil. Add onions and sauce 3-4 minutes. Add red peppers, garlic, and scotch bonnet peppers and sauce further 1-2 minutes.
Add pumpkin and okra saute for 2-3 minutes before. Add paprika, salt, and pepper and stir occasionally.
Add callaloo leaves/spinach, coconut milk, stock, and water bring the callaloo to a boil. Reduce to simmer and let the callaloo cook for 20-30 minutes until the vegetables are soft.