30+ DIY, ultralight, calorie-dense trail meals built from any Carrefour / Leclerc / Lidl / Intermarché. Rule of thumb: aim for ≥ 400 kcal / 100 g of carried (dry) weight — cards are sorted densest-first, and a green ⚡ means 450+ kcal/100 g. Tap + on a card to build your trip plan: totals, a kcal target check and the shopping list appear in the bar at the bottom. Numbers are rough estimates.