Vegetable Fried Rice with Bacon

Name: Vegetable Fried Rice with Bacon
Ingredients: 1 tablespoon vegetable oil; 1/4 pound thick-cut bacon, cut into 1/4-inch pieces; 3/4 teaspoon sugar; 2 1/4 teaspoon soy sauce; 3 cloves garlic, thinly sliced; 1 2-inch piece ginger, peeled and minced; 1/4 to 1/2 teaspoon red pepper flakes; 1/2 head broccoli, florets and stalks cut into 1/4-inch pieces; 5 cups cooked long-grain white rice; 1/4 cup low-sodium chicken broth; 4 large eggs; 1 bunch watercress, stems removed; Spicy mustard or chili sauce, for serving (optional)