Here is the link for the meatless balls The Meatball Shop Goes Vegetarian If you scroll down the article you will see the recipe. Jackson said he followed the recipe as is for the meatlessballs, the size ball was about 1/4 cup rounded into a ball shape. He chopped the mushrooms up very small and sauteed them ahead. He knows the boys do not like mushrooms, this worked.
For the pesto he said he did not cook the pesto, and did not roast the walnuts. He also added 6 cloves of garlic to the pesto. He served this with a marinara sauce as well.