Mix the quark with the baking soda and let it froth for an hour.
Melt the butter and cheese in a mixing bowl over a double boiler. When the cheese has melted, add the quark, beat the mass vigorously with the whisk and heat to 42 ° C on the water bath, stirring constantly. Cut the wild garlic into fine strips and stir into the cheese mixture and season with salt and pepper. Add the caraway according to taste.