Shell Beans With Mushroom and Parsley Pesto Recipe

Ingredients

• 3 slices bread, optional
• 1/4 cup olive oil, optional
• 1 1/2 pounds cranberry beans (or other fresh beans) in their shells
• 1 head plus 2 cloves garlic
• 3 leaves sage
• Freshly ground black pepper
• Salt
• 1 cup (packed) fresh parsley leaves
• 6 ounces (about 4 slices) bacon, cut into small pieces
• 10 to 12 ounces crimini mushrooms, thinly sliced