Creamy One-Pot Pasta with Broccolini

Name: Creamy One-Pot Pasta with Broccolini
Cuisine: European, Mediterranean, Italian
Ingredients: 8 oz. dry whole wheat rotini pasta; 6 oz. fresh Broccolini, trimmed, sliced lengthwise, and cut into 1½-inch pieces; 1 cup low-sodium vegetable broth; 1 8-oz. package fresh cremini mushrooms, quartered; 1 medium zucchini, quartered lengthwise and sliced (2 cups); 1 medium yellow squash, quartered lengthwise and sliced (1¼ cups); ¾ cup slivered red bell pepper; ½ cup chopped onion; 3 cloves garlic, minced; ¼ cup cashew butter or tahini; 3 tablespoons nutritional yeast; 1 tablespoons lemon juice; 2 teaspoons Dijon mustard; Sea salt, to taste; Freshly ground black pepper, to taste