Bake Sale Winning-est Gooey Oat Bars

Name: Bake Sale Winning-est Gooey Oat Bars
Prep time: 10 min
Cook time: 40 min
Total time: 50 min
Yield: 24
Cuisine: American
Ingredients: 1 ¾ cup All-Purpose Flour (1 3/4 cups (230g) all-purpose flour); ¾ tsp Sea Salt (1/2 teaspoon fine sea salt or table salt + 1/4 teaspoon fine sea salt or table salt); 1 ¼ cup Unsalted Butter (3/4 cup plus 2 tablespoons (200g) cold unsalted butter + 1/2 cup (115g) unsalted butter); 0.83 cup Granulated Sugar (1/3 cup (65g) granulated sugar + 1/2 cup (100g) granulated sugar); ¾ cup Dark Brown Sugar (3/4 cup (145g) dark brown sugar); 3 pieces Egg (3 large eggs); 1 ½ tsp Vanilla (1 1/2 teaspoons vanilla); 1 ⅓ cup Rolled Oat (1 1/3 cups (105g) rolled oats); ½ cup Coconut Flakes (1/2 cup finely shredded unsweetened coconut); 1 ½ cup Chocolate Chip (1 1/2 cups chocolate chips (I like a dark chocolate chip, 63% cacao or so), chopped white or dark chocolate, candy bars, dried fruit, or a mix thereof (with the dried fruit, a mix with chocolate is best or the sweetness of the fruit will be overwhelming)); 0 pieces Icing Sugar (powdered sugar, to finish)

Bake Sale Winning-est Gooey Oat Bars - Desserts (American)

50 minAmerican

Servings24

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Vegetarian
Pescatarian
Halal

Ingredients

For 24 servings

All-Purpose Flour1 ¾ cup · 1 3/4 cups (230g) all-purpose flour
Sea Salt¾ tsp · 1/2 teaspoon fine sea salt or table salt + 1/4 teaspoon fine sea salt or table salt
Unsalted Butter1 ¼ cup · 3/4 cup plus 2 tablespoons (200g) cold unsalted butter + 1/2 cup (115g) unsalted butter
Granulated Sugar0.83 cup · 1/3 cup (65g) granulated sugar + 1/2 cup (100g) granulated sugar
Dark Brown Sugar¾ cup · 3/4 cup (145g) dark brown sugar
Egg3 pieces · 3 large eggs
Vanilla1 ½ tsp · 1 1/2 teaspoons vanilla
Rolled Oat1 ⅓ cup · 1 1/3 cups (105g) rolled oats
Coconut Flakes½ cup · 1/2 cup finely shredded unsweetened coconut
Chocolate Chip1 ½ cup · 1 1/2 cups chocolate chips (I like a dark chocolate chip, 63% cacao or so), chopped white or dark chocolate, candy bars, dried fruit, or a mix thereof (with the dried fruit, a mix with chocolate is best or the sweetness of the fruit will be overwhelming)
Icing Sugar0 pieces · powdered sugar, to finish

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Steps

1Prepare your pan
2Heat the oven to 350ºF. Line the bottom of a 9-by-13-inch baking pan with parchment paper (if using a cake pan, hang the parchment over the sides so the bars are easier to remove). Lightly coat the sides with nonstick spray.
3Make the crust
4Combine the flour, salt and sugar in the bowl of a food processor. Cut the butter into chunks, and add it to the bowl, then run the machine until the mixture forms large clumps—that’s right, just keep running it; it might take another 30 seconds for it to come together, but it will. Transfer the dough clumps to the prepared baking pan and press them evenly across the bottom and 1/4 inch up the sides. Bake for 15 to 20 minutes, until very pale golden.
5Meanwhile, prepare the filling
6Melt your butter in a medium saucepan over medium heat. Continue to cook the butter, stirring frequently, until golden brown bits form at the bottom, about 5 minutes. Remove from the heat and stir in the sugars and salt. Let cool for 5 to 10 minutes, then whisk in the eggs, one at a time, and the vanilla, and stir in the oats, coconut, and chocolate, fruit, and/or candy. Pour over the parbaked crust, spreading evenly.
7Bake the bars
8Bake for 15 to 20 minutes, until the top is firm and golden and the bars are set or, at most, barely jiggle if shimmied. The bars are much easier to cut cleanly from the fridge, but they are gooiest when warm. Dust with powdered sugar before serving or selling for the prettiest finish.
9Do ahead: Store in the fridge for many days.