Chicken with Salsify

Name: Chicken with Salsify
Ingredients: 3 1 ⁄ 2 cups chicken stock, preferably homemade; 2 Tbsp. flat-leaf parsley leaves; 24 whole blanched almonds, toasted; 4 cloves garlic; Kosher salt, to taste; 2 lb. salsify, peeled, cut lengthwise into thirds, and placed in acidulated water; 2 Tbsp. plus 1 cup olive oil (preferably Spanish); 1 (4-lb.) chicken, cut into 12 pieces; Freshly ground black pepper, to taste; 2 oz. salt pork, cut into small pieces; 1 large yellow onion, grated; 3 ripe medium tomatoes, halved, seeded, flesh grated, peels discarded; 1 tsp. sugar; 1 cup flour