Cover the beetroot and cook in boiling salted water for 20-25 minutes. In the meantime wash, quarter, seed and dice the tomatoes. Wash coriander, shake dry, pluck leaves and chop coarsely.
Mix lemon juice, salt, pepper and maple syrup. Fold in the oil. Mix tomatoes, coriander and vinaigrette.
Drain the beetroot, rinse with cold water, peel and cut in half or quarters (they stain strongly - wear disposable gloves!). Place on a baking tray. Crumble the feta and sprinkle over it. Bake under the hot oven grill for 5-7 minutes.
Prepare red prayers and sprinkle with the vinaigrette. With it, baguette.