What are they? Salad mix or mesclun, a mixture of baby lettuces, edible leaves and sometimes herbs.
What they taste like: Depends what they are. You might taste anything from mild lettuce leaves to spicy arugula.
When you can find them: Fall and winter in farmers markets.
How to store: Wash and rinse thoroughly, wrap in paper towels and store in a plastic bag in the refrigerator.
Cooking tips: Toss with olive oil and wine vinegar for salad. Add to sandwiches.