Place butter in large skillet over medium heat, trim peel and cut carrots into chunks then add to skillet. Trim peel and cut the onion into chunks, add to skillet.

Sprinkle veggies with salt and pepper and cook. Stirring until soft, about 5 to 10 minutes. Peel and thinly slice garlic.

When veggies are done stir in garlic and tomato paste. Cook stirring until paste darkens, 1or 2 minutes

Add stock and creates, then nestle the fish into the veggies. . Bring the mixture to a boil and adjust heat so it simmers gently but steady. Cover and cook until fish is just cooked through, 5 to 10 minutes

When fish is done transfer it to a platter or bowl, you can now turn the heat to high and continue cooking to reduce the liquid some.

Serve fish with the broth over some steamed rice.