Dan Dan Sliders with Cucumber Salad

Name: Dan Dan Sliders with Cucumber Salad
Ingredients: 1 tablespoon vegetable oil; 2 pounds ground pork; ¼ cup chopped peeled ginger; 2 tablespoons chopped garlic; 1½ cups chicken stock; ¼ cup chili garlic sauce; ¼ cup red wine vinegar; ¼ cup soy sauce; 3 tablespoons tahini; 1 teaspoon brown sugar; 2 teaspoons cracked Szechuan peppercorns; 2–4 tablespoons peanut butter; 12 slider buns, split; 2 teaspoons chili oil; 8 scallions, thinly sliced; ½ cup chopped salted peanuts; 2 tablespoons Chinkiang vinegar or rice vinegar; 2 teaspoons toasted sesame oil; 2 teaspoons turbinado sugar or brown sugar; ½ teaspoon kosher salt; 6 mini cucumbers or 2 English cucumbers; 2 teaspoons sesame seeds; ¼ cup chopped salted peanuts; ¼ cup fresh cilantro leaves