This Slow Cooker 4-Ingredient Butterscotch Sponge Cake is the kind of dessert that feels comforting, nostalgic, and surprisingly effortless. With just a handful of pantry staples, it transforms into a warm, rich cake with a soft sponge-like top and a silky butterscotch sauce underneath. As it cooks slowly, the layers create themselves naturally, giving you a dessert that tastes bakery-made with almost no work at all.
The magic of this recipe comes from its simplicity. There’s no mixing bowl marathon or complicated baking technique involved—just layer the ingredients, pour over
