2 tablespoons Cabot Salted Butter
2 cups peeled and diced boiling potatoes (about 2 medium)
1/2 cup chopped onion
2 tablespoons King Arthur Unbleached All-Purpose Flour
1 (14 1/2-ounce) can chicken broth (about 2 cups)
2 cups milk
3 cups broccoli (chopped florets and thinly sliced stems)
8 ounces Cabot Sharp Cheddar or Extra Sharp Cheddar, grated (about 2 cups)
1 teaspoon fresh lemon juice
Salt and ground black pepper to taste