Gooey Chocolate Oat Bars
- 20m Prep Time
- 25m Cook Time
- 45m Ready In
Fifty-four 2 × 1-inch bars Add the optional coconut flakes, and you may call these Magic Cookie Bars. Preheat the oven to 350°F. Grease a 13 × 9 × 2-inch baking pan and line with parchment paper so it extends over the 2 long sides.
Ingredients
- 1 ½ sticks (6 oz or 170g) unsalted butter, softened
- 1 cup (230g) packed brown sugar
- 1 large egg
- 1 large egg yolk
- 1 ½ teaspoons vanilla
- 1 ¾ cups (220g) all-purpose flour
- ¾ teaspoon baking soda
- ¾ teaspoon salt
- 2 ¼ cups (225g) old-fashioned rolled oats
- 1 ½ cups (255g) semisweet chocolate chips
- 1 cup (305g) sweetened condensed milk
- 1 ½ tablespoons (25g) unsalted butter
- Pinch of salt
- ¾ cup chopped walnuts or pecans
- (½ cup shredded or flaked sweetened coconut)
Let's Prepare
Collect
Gather these ingredients — no prep needed yet.
- 1 ½ sticks (6 oz or 170g) unsalted butter, softened
- 1 cup (230g) packed brown sugar
- 1 large egg
- 1 large egg yolk
- 1 ½ teaspoons vanilla
- 1 ¾ cups (220g) all-purpose flour
- ¾ teaspoon baking soda
- ¾ teaspoon salt
- 2 ¼ cups (225g) old-fashioned rolled oats
- 1 ½ cups (255g) semisweet chocolate chips
- 1 cup (305g) sweetened condensed milk
- 1 ½ tablespoons (25g) unsalted butter
- Pinch of salt
- ¾ cup chopped walnuts or pecans
- (½ cup shredded or flaked sweetened coconut)
Let's Cook
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Step 1.
Beat together in a large bowl: 1 ½ sticks (6 oz or 170g) unsalted butter, softened; 1 cup (230g) packed brown sugar
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Step 2.
Beat in: 1 large egg; 1 large egg yolk; 1 ½ teaspoons vanilla
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Step 3.
Set aside. Whisk together in a medium bowl: 1 ¾ cups (220g) all-purpose flour; ¾ teaspoon baking soda; ¾ teaspoon salt
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Step 4.
Stir in: 2 ¼ cups (225g) old-fashioned rolled oats
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Step 5.
Stir the flour-oat mixture into the butter-sugar mixture until combined. Press two-thirds of the mixture into the prepared pan and set the rest aside. Combine in a medium saucepan and stir over low heat until smooth: 1 ½ cups (255g) semisweet chocolate chips; 1 cup (305g) sweetened condensed milk; 1 ½ tablespoons (25g) unsalted butter; Pinch of salt
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Step 6.
Stir in: ¾ cup chopped walnuts or pecans
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Step 7.
Spread the chocolate mixture over the crust, then dot with the remaining flour-oat mixture. If desired, sprinkle with: (½ cup shredded or flaked sweetened coconut)
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Step 8.
Bake until set, about 25 minutes. Let cool completely in the pan on a rack before cutting into bars.