Combine oil, onion and garlic in a heavy medium-size saucepan over medium-low heat. Cook, stirring, until mixture is fragrant and golden, about 4 to 5 minutes. Add beans and sage; cook, stirring, until hot, about 5 to 6 minutes.
Stir in tuna and cook until just heated through, about 2 minutes. Season to taste with freshly ground white pepper. Garnish with chopped tomatoes and parsley, if desired. Serve immediately.
You May Like
Sign Up for our Newsletter
Join our newsletter for free recipes, healthy living inspiration, and special offers.