Cut an x in the bottom of each tomato. Submerge tomatoes into boiling water for 30 seconds. You may do this 4 tomatoes at a time.
Cool. Peel.
Cut in half, squeeze some of the water and seeds out.
Put in crock pot with onion, carrot, celery olive oil, thyme, basil. Add white wine.
Cook on high for 4 hours or low for six hours. (this part is very flexible. Just make sure there enough liquid in slow cooker).
Put into blender or use a stick blender with butter and blend until smooth.
Add back in soup pan. Turn burner on low. Add in heavy cream. Cook just until warm and blended.
Top with freshly cut parsley and basil, sprig of thyme or any herbs you like.