Silken Tofu With Black Bean Garlic Sauce

Name: Silken Tofu With Black Bean Garlic Sauce
Ingredients: ¼ cup plus 2 Tbsp. vegetable oil; 4 scallions, thinly sliced, plus more for serving; 10 garlic cloves, finely chopped; 1 2-piece ginger, peeled, finely chopped; ¼ cup drained fermented soy beans, coarsely chopped; 2 Tbsp. sugar; 2 Tbsp. Shaoxing wine (Chinese rice wine); 2 cups low-sodium chicken broth; ½ cup dark soy sauce; 2 Tbsp. cornstarch; 2 tsp. toasted sesame oil; 1 16-oz. package silken tofu; 4 oz. ground beef; 1 Tbsp. hoisin sauce; Cilantro leaves with tender stems and steamed white rice (for serving)