Bean and Vegetable Salad With Potlikker Vinaigrette

Name: Bean and Vegetable Salad With Potlikker Vinaigrette
Ingredients: ¼ cup apple cider vinegar; ¼ cup chilled Country Ham Potlikker; 1 tsp. yellow mustard; 1 15-oz. can cannellini (white kidney) beans, rinsed, divided; ⅓ cup vegetable oil; 2 tsp. Diamond Crystal or 1¼ tsp. Morton kosher salt, plus more; Freshly ground black pepper; 2 medium delicata squash, halved, seeds removed and reserved, sliced crosswise ½ thick; 3 Tbsp. extra-virgin olive oil, divided; ¼ tsp. cayenne pepper; 1 large sweet-tart apple (such as Honeycrisp), cored, quartered, sliced ¼ thick; 1 large fennel bulb, quartered, thinly sliced; 1 15-oz. can kidney beans, rinsed; ¼ cup chopped parsley