Blueberry Oatmeal Bars
Serves 8
10 mins prep
55 mins cook
30 mins Cooling Time
95 mins total
š«š These EASY blueberry bars are buttery and packed with blueberry flavor! They have a perfect chewy meets crispy texture from the oatmeal crust and crumble topping with soft berry filling in the middle! They take just 10 minutes of prep and then go straight into the oven. So quick to make and a crowd pleaser every time! Either fresh or frozen berries are fine.
0 servings
Crust and Crumble Topping
Blueberry Layer
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Preheat oven to 350F. Line an 8-inch square pan with aluminum foil and spray with cooking spray; set aside. Lining the pan helps with cleanup and is recommended.
Make the Crust and Crumble Topping
In a large, microwave-safe bowl melt the butter, about 1 minute on high power.
Add the flour, oats, sugars, optional salt, and stir to combine. Mixture will be dry and sandy with some larger, well-formed crumble pieces.
Set 1 heaping cup mixture aside to be sprinkled on later as crumble topping.
Transfer remaining mixture to prepared pan, and using a spatula or your fingers, hard-pack the mixture to create an even, smooth, flat crust; set aside.
Make the Blueberry Layer
In a largeĀ mixing bowl (same one used for crust and crumble is okay), addĀ all ingredients and toss to combine. If sugar hasnāt dissolved fully thatās okay because it liquifies while baking.
Evenly distribute blueberry mixture over theĀ crust.
Evenly sprinkle with the reserved heaping 1 cup crumble topping mixture. Before sprinkling, I squeeze the mixture in my palm to encourage bigger crumble pieces to form.
Bake the Bars
Bake for about 55 minutes, or until edges are set and center has just set. Crumble topping should appear set and very pale golden. I used frozen berries without thawing and the pan was very cold going into the oven. If using fresh berries, baking time will be reduced, but Iām not sure by how much, Iād guess at least 10-15 minutes, possibly less. BarsĀ mayĀ take longer than 55 minutes if blueberries are very juicy. Watch your bars, not the clock, when evaluating doneness.
Place pan on a wire rack and allow barsĀ to cool for at least 30 minutesĀ before slicing and serving. If you try to slice bars before theyāve cooled completely, theyāll be extremely messy and could fall apart.Ā