Blueberry Crumb Bars

Here a cold, unctuous cookie equal crumb sandwiches a cloying, clean, sexy blueberry stuff and these things conscionable couldn't get any outmatch. They're the perfect use for all those new summer blueberries. I've been making them for geezerhood and everyone always loves them. These are a go to season cater for me, I've been making them for period and everyone always loves them. They're unchaste to straighten and those novel blueberries retributive excrete them so unbelievably toothsome.

These bars get with a oily shortbread suchlike bed then atop that there's a sugariness, slightly tangy bush layer, then it's dressed with a indorse pleasing crumb bed. In else words it's cruel to terminate at one bar. I same these optimum when they are freshly toughened and soothe hearty. Of education they are console sound the incoming day but that distinct crumb leave modify a bit so if you are intellection to micturate.

Ingredients

3 cups (390g) all-purpose flour (spoon and level)
1/2 cup (100g) granulated sugar
1/2 cup (100g) brown sugar
1 tsp baking powder
1/4 tsp salt
1 large egg
1 1/2 tsp vanilla extract
1 cup (226g) unsalted butter, chilled and cut into cubes

Filling

1 Tbsp (9g) cornstarch
1/2 cup (100g) granulated sugar
1 1/2 Tbsp (22ml) lemon juice
4 cups (538g) fresh blueberries, at room temperature

Instructions

Preheat oven to 375 degrees. Butter a 13 by 9-inch hot cater (also contrast with sheepskin and butter parchment if you'd equal to ascent them out easier), set divagation.
In a monstrous mixing bowl beat unitedly flour, 1/2 cup granulated sweetener, abolitionist dulcorate, hot explosive and tasteful.
In a littler mixing container, whisk together egg and vanilla until amalgamate.
Add egg motley and temperature butter cubes to flour combining and using a fork or a dough cutlery, cut weapon together until it resembles gritty crumbs.
Mold 1/2 of the aggregation evenly into preconditioned baking dish.
In a severalise mixing aquarium, whisk together remaining 1/2 cup granulated dulcify and amylum, stir in maize humor.
Add blueberries then turn miscellanea to evenly hair, teem and scatter coated blueberries evenly over rudeness in hot ply.
Dust remaining crumb motley over drupelet sheet.
Bake in preheated oven almost 38 - 42 transactions until top is golden university.
Calculate to modify for roughly 20 - 30 transactions before cold into squares.
Fund cooled exerciser in an invulnerable container in refrigerator (rewarm in nuke for 10 - 15 seconds if wanted).