Green Bean Pasta with Cashew Pesto

Name: Green Bean Pasta with Cashew Pesto
Cuisine: European, Italian, Mediterranean
Ingredients: ¼ cup raw cashews; 4 cups fresh spinach; 1 cup fresh basil; 2 to 3 tablespoons nutritional yeast; 2 cloves garlic, peeled; ¼ cup low-sodium vegetable broth; 2 tablespoons lemon juice; 8 oz. dried whole wheat spaghetti; 8 oz. fresh thin green beans, trimmed and halved lengthwise, if desired; 1 15-oz. can no-salt-added cannellini beans, rinsed and drained (1½ cups); Sea salt and freshly ground black pepper, to taste; 1 tablespoon chopped pistachio nuts; Crushed red pepper (optional)