This slow cooker 4-ingredient lemon blueberry dump cake is my go-to dessert when I’m staring into the pantry at 4 p.m. with no plan. It’s one of those cozy, small-town, potluck-style recipes that probably started with a neighbor saying, “Just dump it all in and let it go.” You literally pour frozen wild blueberries into the slow cooker, dump a dry lemon cake mix over the top, add butter and a touch of sugar, and let the slow cooker do the work.
The result is a warm, jammy blueberry