To a medium microwave-safe bowl, add broccoli and 1/4 cup water. Cover with vented plastic and microwave until stems are tender, 5 minutes.
Meanwhile, in a large bowl, whisk together oil, vinegar, mustard and sugar. Season with salt and pepper to taste. Seed and thinly slice bell pepper. Drain tuna. Drain and rinse beans.
Drain broccoli and add to large bowl along with bell pepper, tuna and beans. Toss until well combined. Add arugula and toss. Season with salt and pepper to taste.
Source: Hannaford fresh Magazine, March April 2025