In a wide bowl, mix olive oil, lemon juice, and mustard.
Trim stalks from fennel. Rinse feathery green leaves and chop enough to measure 1/4 cup; discard remaining leaves and stalks. Trim and discard root end, any bruised areas, and coarse fibers from fennel head; rinse head, thinly slice, and mix with dressing in bowl. Add chopped fennel greens, lettuce, and arugula to bowl.
Lift with salad fork and spoon to mix with dressing. Season to taste with salt and pepper.
0 servings
* The % Daily Value (DV) tells you how much a nutrient in a serving of food contributes to a daily diet. 2,000 calories a day is used for general nutrition advice.