Simmer the chicken stock, salt, white onion, saffron, sweet paprika, garlic cloves, bay leaf, and thyme sprigs for 40 minutes, or until the whole garlic cloves are completely tender.
Remove the bay leaf and thyme sprigs from the soup.
Use an immersion blender to puree soup.
Taste soup and season with salt & freshly-ground black pepper.
Top with finely sliced fresh basil leaves.
Serve hot, with country-style slices of toasted and buttered bread.