3 sour sugar martha stewart Recipes

unsalted butter or 1/4 lb unsalted margarine, room temperature, sugar, eggs, flour, baking soda, salt, mashed very ripe banana, sour cream, vanilla extract, chopped walnuts or 1/2 cup pecans, chocolate chips (optional)

potatoes (small, red and white (12 to 15 of each)), salt, dry vermouth, white wine vinegar, sugar, creme fraiche or 1 1/2 cups sour cream, celery seed, pepper, freshly ground, cornichons, drained and thinly sliced or finely chopped (about 3/4 cup), scallions , cut into 1/4-inch slices on the bias, fresh flat-leaf parsley, loosely packed, coarsely chopped