The Ultimate 3-Ingredient Lemon Crumble Bars
When it comes to dessert, sometimes less truly is more. These lemon bars prove that you don't need a pantry full of specialized ingredients to create a gourmet-style treat. By using high-quality staples, you can achieve a texture that mimics a traditional shortbread without the hours of labor.
Why This Recipe Works
The secret lies in the synergy between the dry cake mix and the wet lemon filling. The cake mix serves a dual purpose: it forms a sturdy base that holds up to the creamy filling and creates a streusel-like crumble for the top. When baked, the lemon curd or pie filling slightly soaks into the bottom layer, creating a melt-in-your-mouth experience.
Ingredients and Substitutions
To keep this recipe to its “3-ingredient” promise, we focus on convenience items that pack a punch in terms of flavor and structure.
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1 Box (approx. 15.25 oz) Yellow or White Cake Mix: This provides the flour, sugar, and leavening agents needed for the crust and crumble.
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1 Jar (approx. 10–12 oz) Lemon Curd or 1 Can Lemon Pie Filling: For a tart, intense flavor, use lemon curd. For a milder, creamier texture, opt for pie filling.
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1/2 Cup (1 stick) Unsalted Butter, Melted: This transforms the dry mix into a workable dough.
Pro-Tip: If you want to experiment with a “4-ingredient” version, adding a teaspoon of fresh lemon zest to the filling will brighten the flavor even further.