Think you don't have time to slice vegetables for your sandwich? Prepare these marinated vegetables ahead of time, and keep them in the fridge to bulk up sandwiches for up to three days.

1 medium zucchini

1 bell pepper

1/2 cup grated carrots

1 small red onion

1/4 cup red wine or balsamic vinegar

1 tablespoon olive oil

Salt and pepper to taste

Slice all vegetables thinly. Toss with oil, vinegar, salt and pepper. Add to sandwiches to help eat 5 A Day. This is an official 5 A Day recipe, providing each person served with one serving of vegetables. Serves 4

Nutritional Analysis Per Serving: Calories, 52; Fiber, 1 g; Fat, 4 g; Cholesterol, 0 mg; Sodium, 5 mg

Source: National Cancer Institute