Heat stock pot over medium-high heat
Add olive oil and meat
Brown meat for about 5 minutes per side
Add stock, zucchini, onion, garlic, parsnip and tomato paste
Bring to a boil
Lower heat, cover and simmer 40-60 minutes
Just before serving, remove meat from pot, set aside and keep warm
Puree vegetables and stock with a stick blender
Return meat to sauce
Serve meat in a shallow bowl with sauce
I serve this with toasted gluten-free bread