Bake this irresistible Blueberry Crumb Bars at home. Made with yellow cake, old-fashioned oats, butter and preserves. Easy step-by-step instructions inc…
This Blueberry Crumb Bars relies on simple, everyday ingredients such as old-fashioned oats, butter, melted, fresh blueberries and lemon juice. It comes together quickly and makes 4 servings, at about 588 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
Whether you're rounding off a family dinner, bringing a treat to a gathering, or simply satisfying a sweet craving, this Blueberry Crumb Bars delivers. Serve it warm or at room temperature, and add a scoop of ice cream or a spoonful of whipped cream for an extra-special finish.
Updated Jun 30, 2026