Basil Chicken With Pesto Cream Sauce

Ingredients (17)

• 2 cups basil leaves, packed
• 1 tablespoon garlic, finely chopped
• 3 to 4 tablespoons pine nuts, or walnuts
• 1/2 cup olive oil, divided
• 1/3 cup Parmesan cheese, freshly grated
• Freshly ground black pepper, to taste
• Kosher salt, to taste
• 4 to 6 boneless chicken breasts
• Kosher salt, to taste
• Freshly ground black pepper, to taste
• 2 tablespoons all-purpose flour
• 1 tablespoon olive oil
• 4 ounces mushrooms, sliced
• 1/2 cup heavy cream
• 3 tablespoons pesto
• 8 ounces pasta, optional, for serving
• 1 cup cooked rice, optional, for serving