Red Pepper-Basil Sauce with Balsamic Vinegar | America's Test Kitchen

Ingredients

• 1 1/2 tablespoons olive oil
• 1 small onion, chopped
• 1 large red bell pepper, cored, seeded, and chopped
• 1/2 cup low-sodium chicken broth
• 1 medium clove garlic, minced
• 1/4 cup shredded fresh basil leaf
• 1 - 2 teaspoons balsamic vinegar