Deep Fried Matzo Mushrooms and Veggies Balls

Name: Deep Fried Matzo, Mushrooms and Veggies Balls
Ingredients: • 3 tablespoons plus 1/2 cup canola oil, plus more for frying; • 1 cup Crimini or any mushrooms of your choice, finely chopped; • Kosher salt and freshly ground black pepper to taste; • 1/2 medium onion, diced; • 1 carrot, grated; • 1 celery stalk, thinly sliced; • 1 tablespoon potato starch; • 1/2 cup cold chicken stock, preferably homemade; • 8 large eggs, separated; • 2 tablespoons seltzer water; • 2 cups matzo meal (not cake matzo meal); • 2 tablespoons fresh parsley plus 1tablespoon dill, chopped