Ingredients

• 4 slices pancetta, chopped
• 2 tablespoons olive oil
• 1/4 cup chopped sweet onion
• 2/3 cup cherry tomatoes, halved
• 1 teaspoon minced fresh rosemary or 1/4 teaspoon dried rosemary, crushed
• 1/4 teaspoon salt
• 1/4 teaspoon pepper
• 2 cans (15 ounces each) cannellini beans, rinsed and drained
• 3 tablespoons red wine vinegar
• 4 fresh basil leaves, thinly sliced
• 2 cups torn fresh arugula or baby spinach
• 1/4 cup shaved parmesan cheese