Wash and clean the lamb`s lettuce. Peel the onions and cut into rings. Clean the mushrooms and cut them into slices. Clean the pepper and cut into small pieces. Wash the cherry tomatoes and cut in half. Put all ingredients in a bowl and mix together.
For the dressing, peel and crush the clove of garlic and mix with the vinegar, mustard, sugar, lemon juice and oil. Season with salt and pepper and pour over the salad. Finally, sprinkle a few pumpkin seeds on top.