Oatmeal Lemon Crumble Bars – Sally’s Baking Dependancy

Creamy, crumbly, and refreshing, these oatmeal lemon crumble bars come together with a simple crumb crust and a 2 ingredient lemon filling. If you love lemon bars however are on the lookout for a bit of extra texture, you received’t remorse making a batch!

I initially printed these lemon crumble bars again in 2012. When making these a decade in the past, I used store-bought cookie combine for the crust and topping. Whereas cookie combine makes a fast and helpful shortcut, I desire these bars with a from-scratch crumble… and I feel you’ll too!

At this time I’m exhibiting you my home made variation and I promise they’re almost simply as simple. The oatmeal lemon crumble bars have a approach of not making it out of the kitchen, however ought to any survive your taste-testing, they stack and retailer simply for gift-giving, bake gross sales, and brunches!

Why You’ll Love These Oatmeal Lemon Crumble Bars

  • Solely 9 simple components whole
  • Crust and topping are comprised of the identical combination
  • From mixing bowls to oven in quarter-hour
  • Altogether creamy, crumbly, smooth, & crisp
  • Like oatmeal cookies & lemon bars mixed– surprisingly, this taste duo works!
  • Stack simply for storing, transporting, & gifting
  • One other egg-free baking recipe

And be happy to swap in lime juice & zest for the lemon!

two creamy lemon crumble bars on a green plate

You Want 9 Substances Complete:

ingredients on marble counter including lemons, oats, sweetened condensed milk, brown sugar, and butter
  1. 7 for the crust & crumble topping: Like fig bars and cranberry bars, the crust and topping are comprised of the identical combination. So handy! Begin with butter and brown sugar, after which add vanilla extract earlier than mixing in flour, baking powder, salt, and oats.
  2. 2 for the creamy lemon filling: You want sweetened condensed milk and lemons to make the lemon filling– that’s it! Have you ever ever tried my creamy lemon pie? I truly tailored that recipe from immediately’s filling. Sweetened condensed milk is the bottom of this filling and because it bakes, it thickens and takes on a barely caramelized taste. (Like when making dulce de leche for banoffee pie!) Not like the lemon pie, we don’t want any eggs within the filling as a result of we aren’t on the lookout for fairly as a lot construction– the crumble topping holds all the pieces in place!

Let Me Present You How These Come Collectively

Pictured under on the left: Convey the crumble combination collectively and don’t get nervous if it appears dry or crumbly.

Pictured under on the appropriate: Press half of the combination right into a lined 8-inch pan and bake it for 12 minutes so the crust can set.

crumble crust and topping mixture in bowl and shown in bottom of baking pan

Anticipate a really thick lemon filling. I truly add a bit of extra lemon juice than the unique recipe and the printable recipe under displays that change. Pour and unfold the filling on the nice and cozy crust after which sprinkle with remaining crumble combination. That’s it! Your prep work is completed.

pouring lemon filling on crust and shown again with crumble topping

3 Success Ideas

Although it’s a very easy recipe, listed below are 3 success ideas which have helped me excellent these creamy lemon bars.

  1. Don’t pack the crust in too tight: When urgent the combination into your lined pan, keep away from packing it in too tight. If the crust could be very agency even earlier than baking, think about how dense it will likely be after baking. Press the combination down very calmly together with your fingers or the underside of a measuring cup.
  2. Use a citrus zester: Lemon zest carries a number of taste within the lemon filling. Should you want a suggestion for a zester, I take advantage of and love (affiliate hyperlink) this zester.
  3. Keep away from over-baking: It may be troublesome to find out when the bars are completed, however err on the facet of under-baking. And remember the fact that the bars will proceed to set as they cool. If over-baked, the crust and edges will probably be fairly agency. As soon as the absolutely assembled bars go within the oven, they take about 23-25 minutes.

And lastly, you want an (affiliate hyperlink) 8-inch pan for these creamy lemon bars. Stretching the recipe right into a 9-inch pan yields very skinny bars, so I don’t suggest that dimension.

stack of 3 lemon crumble bars


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These simple lemon crumble bars characteristic an oatmeal crust, thick and creamy lemon filling, and extra oatmeal crumble on prime.

Crust & Topping

  • 6 Tablespoons (85g) unsalted butter, softened to room temperature
  • 3/4 cup (150g) packed mild or darkish brown sugar
  • 1 teaspoon pure vanilla extract
  • 1 cup (125g) all-purpose flour (spoon & leveled)
  • 1 teaspoon baking powder
  • 1/4 teaspoon salt
  • 1 cup (85g) old school entire oats or fast oats (not prompt)

Lemon Filling

  • 1 (14 ounce weight) can full-fat sweetened condensed milk
  • 6 Tablespoons (90ml) lemon juice (about 2 lemons)
  • 1 Tablespoon lemon zest (about 1 lemon)

  1. Preheat oven to 350°F (177°C). Line an 8-inch sq. pan with parchment paper.
  2. For the crust/topping: Utilizing a handheld or stand mixer fitted with a paddle attachment, beat the butter and brown sugar collectively on medium-high pace till mixed, about 1 minute. Scrape down the edges and up the underside of the bowl with a rubber spatula after which add the vanilla extract. Beat on medium-high pace till mixed, about 30 seconds. Add the flour, baking powder, salt, and oats. Beat on medium pace till mixed. Scrape down the edges and up the underside of the bowl and beat once more as wanted to mix. Combination will seem dry and be crumbly. You’ll have between 3-3.5 cups of crust/crumble combination.
  3. Evenly press half of crumble combination into backside of ready baking pan. Bake for 12 minutes.
  4. In the meantime, make the lemon filling: Whisk sweetened condensed milk, lemon juice, and lemon zest collectively. Combination will probably be thick.
  5. Pour and unfold filling over pre-baked crust (whereas crust is scorching). Sprinkle the remaining crumble combination on prime.
  6. Return bars to the oven and bake for 22-25 minutes or till edges are very calmly browned and seem set. Keep away from over-baking. Take away from the oven and place the pan on a wire rack. Cool bars fully.
  7. Carry the bars out utilizing the parchment paper overhang on the edges. Minimize into squares.
  8. Cowl leftover bars and retailer at room temperature for as much as 2 days or within the fridge for as much as 1 week.


  1. Freezing Directions: Freeze minimize bars in single layers between sheets of parchment paper in a freezer-friendly container for as much as 3 months. Thaw in a single day within the fridge and produce to room temperature earlier than having fun with.
  2. Recipe up to date in 2022. Older model used 1 pouch (1 lb 1.5 oz) Betty Crocker oatmeal cookie combine for the crust & topping. Minimize 1/2 cup (115g) chilly unsalted butter into cookie combine with a pastry cutter after which stir in 1 egg. This combination changed the home made crust & topping recipe above. Proceed with step 3 above.
  3. Sweetened Condensed Milk: Ensure you are utilizing sweetened condensed milk, not evaporated milk. There aren’t any profitable replacements for sweetened condensed milk on this explicit recipe– it’s actually the important thing ingredient. (Typically half-and-half or heavy cream works as a substitution, however you then’ll have to check with various quantities of sugar since each are unsweetened.) Use one 14 ounce can full-fat sweetened condensed milk. Don’t use fats free as a result of the filling is not going to set. Remember the fact that 14 ounces is the listed weight on the can. 1 commonplace 14 ounce can is a bit of over 1 liquid cup.
  4. Can I Double This Recipe? Sure. Double every ingredient. Enhance crust pre-bake time to 18 minutes. Enhance the bake time after including the filling & crumble topping to 35 minutes or till edges are calmly browned and seem set.

Key phrases: oatmeal lemon crumble bars

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