Beat the egg yolks, lemon juice, salt and pepper in a large bowl with the whisks of the mixer for about 1 minute. Add oil (e.g. sunflower oil) first drop by drop (approx. 5 tbsp.), then in a thin stream, stirring constantly. Divide mayonnaise into 3 portions.
Peel the mango, cut the flesh off the stone and dice finely. Stir the mayonnaise with Sambal Oelek at 1⁄3
Wash the basil and cut into fine strips. Stir the mayonnaise with finished pesto (jar) at 1⁄3.
Stir mustard and liquid honey under 1⁄3 of the mayonnaise.
Peel and coarsely dice the onions and fry them in a large pan in hot oil until golden brown. Sprinkle with sugar and caramelize until golden brown, stirring several times. Let it cool down. Wash the thyme, shake dry and chop finely. Mix sour cream and double cream cheese, caramelized onions, thyme and grated parmesan. Season to taste with salt and pepper.