Corn salad, also known as mâche, lamb’s lettuce, or feldsalat, is a small leaf vegetable with soft rosettes of dark green leaves. The botanical species Valerianella locusta belongs to the honeysuckle family (Caprifoliaceae) and is an annual herb that grows wild in Europe, North Africa, and Western Asia.
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The plant has been cultivated since the Middle Ages and has been prized for centuries for its fresh, nutty leaves, which add both flavor and nutritional value to salads and warm dishes. In France it is called “mâche” and is a culinary specialty around the city of Nantes, which supplies most of Europe’s production. In English it is often called “corn salad” or “lamb’s lettuce,” and as a hardy winter salad green, it is especially valuable during the cold season.
Estimated reading time: 7 minutes
History and Origin
From Weed to Delicacy
Corn salad has been eaten by European farmers for centuries and originally grew as a weed in grain fields — the origin of its English name. It was gathered from the wild and used as a fresh winter green when other vegetables were scarce.
From Versailles to Today
In the 17th century, the gardener Jean-Baptiste de La Quintinie introduced the plant to the royal kitchen at Versailles at the request of Louis XIV. It is mentioned in John Gerard’s herbal from 1597 and was grown by Thomas Jefferson in the USA in the early 1800s. Today, corn salad is grown commercially, especially in France, Germany, and the Netherlands, but it is also found as a naturalized species in many countries, including Denmark.
Taste and Aroma
Corn salad forms small rosettes of spoon-shaped leaves with a soft, juicy texture. The flavor is mild and nutty with a slight sweetness that sets it apart from more bitter salad greens. The leaves are most tender and sweet when harvested before flowering, and unlike other salad greens, corn salad does not turn bitter even once it begins to flower.
Its delicate flavor makes corn salad well suited to both raw and lightly cooked preparations. The leaves keep their structure when briefly sautéed, creating an interesting contrast with creamy or warm ingredients.
Culinary Uses
Corn salad’s mild flavor and crisp texture make it suitable for a range of dishes. It is traditionally used raw in salads but can also be briefly cooked like spinach or folded into warm dishes at the last moment.
In the Kitchen
In the kitchen, corn salad shines as a winter salad green. The classic combination is rosettes with toasted walnuts, thin slices of apple or pear, and a little goat cheese. It also works well as a fresh green element alongside roasted root vegetables, and sprinkled over a warm potato-leek soup, it adds both texture and freshness.
- Classic salad: Serve the rosettes with vinaigrette, toasted nuts, apple or pear, and goat cheese.
- Mixed green salad: Combine corn salad with baby spinach, arugula, and radicchio for color and flavor variety.
- Sandwiches and wraps: Use fresh corn salad in place of regular lettuce for a nutty note.
- Soup topping: Sprinkle fresh rosettes over a warm soup just before serving.
Internationally
In France, mâche with walnuts and vinaigrette is a fixture on winter menus, and restaurants often pair it with beets, citrus, or nuts. In modern cooking, it is used both in classic salads and as a delicate garnish on gourmet dishes, where it provides a fresh counterpoint to rich ingredients like cheese and avocado.
Preparation and Cooking
Corn salad requires neither soaking nor lengthy cooking. The most important step is gently cleaning the leaves of dirt and sand, since they grow close to the ground.
- Rinsing: Place the rosettes in a large bowl of cold water, stir gently, and repeat with fresh water until no more sand settles at the bottom.
- Trimming: Cut off the bottom root end of each rosette so the leaves separate. Discard any damaged or yellow leaves.
- Drying: Dry the leaves gently in a salad spinner or with a kitchen towel so the dressing doesn’t become watery.
- Sautéing: Heat a pan with a little oil or butter and toss the leaves quickly until they just wilt. Season with salt, pepper, lemon, or fresh herbs.
Health Benefits
Vitamins and Minerals
Despite its delicate leaves, corn salad is highly nutritious and has a high concentration of vitamins and minerals compared to other salad greens. The leaves are, among other things, a good source of vitamin C, beta-carotene, vitamin B6, iron, and potassium.
- Vitamin C: Supports the immune system and boosts iron absorption.
- Beta-carotene: A precursor to vitamin A, which is important for vision, skin, and immune function.
- Vitamin B6: Necessary for protein metabolism and nervous system function.
- Minerals: Contains iron for the blood’s hemoglobin and potassium for muscle and nerve function.
- Dietary fiber: Supports digestion and a pleasant feeling of fullness.
Valuable During Winter
The many antioxidants support the immune system, while iron and potassium contribute to the blood’s oxygen transport and the body’s fluid balance. Corn salad is therefore a good choice as part of a varied diet and can be especially valuable during the winter months, when many fresh vegetables have a lower vitamin content.
Growing
Corn salad thrives in cool, temperate climates as a cool-season crop. It can be grown in both spring and fall and tolerates light frost, making it an excellent vegetable for the winter and spring garden.
How to Grow Corn Salad
Total time: 6-8 weeks
- Prepare the bed
Choose a sunny to partly shaded spot with loose, humus-rich soil. Clear the soil of stones and weeds.
- Choose a sowing time
Sow corn salad from mid-July to September for a fall harvest, or from March to April for a spring harvest. The seeds germinate at low temperatures (about 5-15 °C).
- Sow the seeds
Sow in rows about 10-15 cm apart and 1-2 cm deep. Thin the plants so there is 5-10 cm between each plant.
- Water and tend
Keep the soil moist during germination, but avoid waterlogged conditions. Corn salad does not tolerate drying out. Weed regularly, and cover with garden fleece against insects if needed.
- Harvest
Harvest whole rosettes once they have formed 6-10 leaves. Cut them off at the soil surface; new leaves can sometimes regrow when grown in spring.
Growing Conditions
- Light: Thrives in full sun to light shade.
- Soil: Prefers light, chalky, humus-rich soil with a pH of 6.5-7.5. Good drainage is important, as the plant is sensitive to standing water.
- Temperature: Optimal growth at 10-18 °C; tolerates light frost and can survive down to -10 °C with protection.
- Watering: Even moisture is essential; the plant does not tolerate drying out.
- Fertilizing: A moderate amount of compost at sowing is sufficient. Over-fertilizing with nitrogen can produce looser rosettes.
Storage
In the Fridge
Corn salad is best harvested early in the morning, when the leaves are crisp. Cut the whole rosette off at the base with a sharp knife. Store the harvested rosettes in a perforated plastic bag in the refrigerator, where they will stay fresh for 3-5 days. Rinse only just before use to avoid speeding up spoilage.
Extend the Season
- During fall and winter, the plants can be covered with garden fleece to extend the season.
- Avoid bags with condensation – a damp environment makes the leaves rot faster.
- Corn salad does not freeze well due to its delicate leaves; it’s best used fresh.
Great Pairings
Corn salad’s mild, nutty flavor pairs well with ingredients that either highlight its sweetness or provide contrast.
- Nuts and seeds: Walnuts, hazelnuts, pistachios, and pumpkin seeds.
- Fruit: Apples, pears, orange segments, pomegranate seeds, or dried cranberries.
- Cheese: Goat cheese, blue cheese, parmesan, or feta.
- Grains: Pearled spelt, quinoa, or bulgur in salads.
- Meat and fish: Smoked salmon, prosciutto, or roasted chicken.
- Dressings: Lemon dressings, balsamic vinaigrette, honey mustard, or yogurt-based dressings.
Look-Alikes and Quality
Corn salad can be confused with other small leaf vegetables such as baby spinach or small romaine rosettes. It is recognized by its opposite, spoon-shaped leaves that form rosettes. When choosing corn salad, the leaves should be dark green and fresh, without any yellow or slimy patches. The rosettes should be compact with short stems, and there should be no dirt or sand between the leaves. Avoid bags with condensation, as moisture makes the leaves rot faster.
Sustainability and Biodiversity
As a leafy green, corn salad has a relatively low climate footprint, especially when grown locally in the cool season. It doesn’t need a greenhouse when grown in fall and winter, and it can be grown without large amounts of synthetic fertilizer. The plant belongs to a different family than most common salad greens, which increases biodiversity in the kitchen garden. Including corn salad in crop rotation can help break disease cycles and attract beneficial insects with its small blue flowers.
Try This Recipe
The classic winter combination of corn salad, beets, and goat cheese is hard to beat. The beets’ earthy sweetness and the goat cheese’s tangy richness lift the mild, nutty leaves into a complete salad. Bake the beets until tender and warm, then toss them, still lukewarm, with fresh corn salad rosettes. See how it’s done in our recipe for Baked Beets in the Airfryer.
Equipment and Products
Corn salad’s nutty character pairs beautifully with walnuts, both in the salad and in the glass alongside it. To give a winter salad a festive touch, drizzle a little Walnut Liqueur 100ml from our shop into the dressing, or serve it as a light finish to the meal.
Frequently Asked Questions
Yes, corn salad is hardy and can be grown late into fall. In light frost, the plants are covered with garden fleece or a cold greenhouse to protect them so they can be harvested throughout winter.
Yes, “mâche” is the French name for Valerianella locusta and is also commonly used in English, especially in the US. Other common names include lamb’s lettuce and feldsalat, the German name also used in Danish.
Since corn salad grows close to the ground, sand can collect between the leaves. Rinse the rosettes thoroughly in several changes of cold water, then let them drain in a salad spinner to remove soil particles.
No, unlike many other salad greens, corn salad does not turn bitter even once it begins to flower. The leaves are, however, most tender and sweet when harvested before flowering.
Yes. Although it’s most often eaten raw, corn salad can be briefly sautéed like spinach or folded into warm dishes at the last moment. The leaves keep a pleasant texture when given only a little heat.
Facts About Corn Salad
| Field | Value |
|---|---|
| English Name | Corn Salad, Lamb’s Lettuce |
| Latin Name | Valerianella locusta |
| Family | Honeysuckle family (Caprifoliaceae) |
| Plant Type | Annual leaf vegetable |
| Height | 5-15 cm |
| Hardiness | Tolerates frost down to about -10 °C with protection |
| Light | Full sun to partial shade |
| Soil | Light, chalky, humus-rich, and well-drained soil (pH 6.5-7.5) |
| Sowing/Planting | Sow July-September (fall) or March-April (spring) |
| Flowering/Harvest | Flowers in spring; harvest 6-8 weeks after sowing |
| Flavor | Mild and nutty with a slight sweetness |
| Culinary Use | Salads, sautéed, sandwiches, garnish on warm dishes |
| Storage | Cool storage for 3-5 days, rinse only just before use |
