3 and praline semifreddo Recipes

nonstick vegetable oil spray, sugar, water, light corn syrup, shelled raw unsalted natural pistachios (41/2 to 5 oz) or hazelnuts, lightly toasted, nonstick vegetable oil spray, egg yolks, sugar, divided, peach liqueur (such as mathilde peches), ripe peaches (about 2 large), peeled, pitted, quartered , plus 2 ripe peaches, peeled, halved, pitted, sliced (for garnish), chilled heavy whipping cream

water, sugar, toasted pecan halves, heavy whipping cream, sour cream, eggs, separated, at room temperature, sugar, water, sugar, heavy cream, bourbon