For the salad clean the peppers, peel the carrots and cucumber. Wash everything and dice finely. Wash herbs and chop finely. Set aside 1 tsp. mint for the dip.
Mix vinegar, salt and pepper. Embezzle oil. Mix salad dressing and prepared salad ingredients. Pack in a freshness tin. Clean and wash lettuce and pluck smaller. Pack lettuce leaves separately.
For the dip, peel the garlic and chop very finely. Mix crème fraîche, garlic and the rest of the mint. Season to taste with salt and pepper. Fill into a small freshness tin for transport.
For the mackerel, thoroughly rinse the fish inside and out and pat dry. Wash the lemon hot, halve lengthwise and cut into slices. Peel onion and cut into rings.
Season the mackerel inside with salt and pepper and coat with herb butter. Put lemon slices and onion rings into it. Put the fish in grill tongs and close them. Pack for transport.
Grill the mackerels on the hot grill for 6-7 minutes on each side. Remove the finished mackerels from the grill tongs and fillet them.
Cut half the baguette into thin slices. Cover each slice with a lettuce leaf, some colourful lettuce and a piece of mackerel fillet. Spread garlic dip as a blob on top. Mix the colored lettuce and the remaining lettuce leaves. Serve with baguette.