For the marinade, mix finely chopped chili pepper (without seeds), garlic and olive oil. Defrost, peel and marinate the shrimp for at least 30 minutes.
Peel the mango and cut it into thin strips using a vegetable peeler.
Wash the lettuce leaves, dry them and cut them into pieces with your hands. Lightly fry the walnuts in a dry frying pan and finely chop them. Peel the tangerine and remove the white partitions, cut the slices in half. Crumble the blue cheese.
Put all the ingredients in a salad bowl and mix gently, preferably with your hands.
For the sauce: whisk the yolks with lemon juice or vinegar. Continuing to beat, enter olive oil (100 ml) and nut butter. Add balsamic vinegar and sour cream to the thickened sauce and mix.
Shrimps are strung on wooden skewers of 3 pieces and fried without oil for 1-2 minutes.
Put the salad on a platter, pour balsamic sauce and garnish with skewers with shrimp. For stability, stick the skewers into the tangerine slices.