In a Large pot of water add Cut Heirloom tomatoes in large wedges.
thin sliced garlic cloves, large sweet onion, add dried Basil, 1 fresh basil leaf thin chopped (2 other for puree), salt, pepper, and butter. let simmer on low/medium heat for 20 minutes.
As soon as the tomatoes begin to soften (skin of tomatoes will start to separate) Add Parmesan cheese and mix.
Adjust heat to Medium heat for 10 minutes and a slight bubble will form around the edges.
In a blender add all ingredients from the pot and begin to puree, add to separate bowl and continue until all tomatoes are blended. Take 2 cups of soup Puree and add half and half and remaining fresh Basil.