Stepsister's secret sauce: food femdom

You've been watching your stepsister and stealing her panties for years. After she catches you jerking off with a pair of her panties, however, she reveals that she's known this whole time—and that, in revenge, she's been cumming in all of your food. As you're the little stepbrother, she decides to put you in her place and dominate you, culminating in her making your favorite meal—peanut butter and jelly sandwich—the only way she knows how: totally slathered in her secret, special sauce