Pea, Lettuce and Fennel Soup | Food Stuff

Ingredients

• 1 medium head Bibb lettuce, cut into 1/2-inch-wide strips
• 1/2 teaspoon freshly ground black pepper
• 1 medium fennel bulb, chopped (about 2 cups)
• 1/2 teaspoon fennel seeds
• 1 teaspoon kosher salt
• 1 1/2 cups low-salt chicken broth, plus extra, as needed
• 1 10-ounce package frozen petite peas (about 2 1/4 cups)
• 2 small shallots, chopped
• 3 tablespoons unsalted butter