Fava, Sweet Pea, and Sugar Snap Salad

Ingredients

• 2 cups shelled fava beans
• 2 cups sugar snap peas, trimmed
• 1 cup shelled green peas
• 1/4 cup thinly sliced fresh mint
• 1/2 cup prosciutto, thinly sliced
• 3 tbsp red wine vinegar
• 1 tbsp extra vitgin olive oil
• 2 tsp Dijon mustard
• 1/4 tsp salt
• 1/4 tsp freshly ground black pepper