1/3 cup olive oil
1 teaspoon minced fresh rosemary
2 tablespoons fresh lemon juice
1 tablespoon red wine vinegar
2 1/2 teaspoons finely grated lemon peel
1 1/2 teaspoons salt
1/2 teaspoon ground black pepper
1 medium head of cauliflower, trimmed, cut into small florets (about 3 cups)
1 (15-ounce) can white beans (such as Great Northern or navy beans), drained
2 large heads of Belgian endive, trimmed, halved lengthwise, then thinly sliced crosswise
1 tablespoon chopped fresh chives
2 teaspoons chopped fresh parsley
1/2 cup crumbled feta cheese (about 3 ounces)