Preheat oven to 400° degrees F.
To make the pistachio pesto, place the ingredients in a blender or food processor and pulse until smooth. Taste and adjust seasonings if necessary. Set aside.
Place the butter in a large cast iron or oven safe skillet over medium heat. Once the butter is melted, add vegan sausage and cook until heated through, breaking it up into bite size pieces with the back of a wooden spoon, 6 to 8 minutes.
Add the onion and garlic, and season with the Italian seasoning, salt and pepper. Cook, stirring often, until the onion becomes translucent and the garlic fragrant, 3 to 5 minutes.
Toss in the gnocchi, kale, broth, artichoke hearts, Pistachio Pesto and cheese, mixing gently to combine all the ingredients.
Off the heat, top the skillet gnocchi with the breadcrumbs in an even layer and bake in the preheated oven until the breadcrumbs are golden brown and crispy, and the cheese and sauce are bubbly, 15 to 20 minutes.
Before serving, let cool for 5 to 10 minutes. Garnish with the zest of 1 fresh lemon and fresh minced parsley. Enjoy!