"These oatmeal cookie bars are filled with caramel dulce de leche for a gooey sweet bar cookie!..."
INGREDIENTS
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1/2 cup unsalted butter, softened
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1 cup brown sugar, packed
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1 egg
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1 teaspoon vanilla extract
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1/2 teaspoon baking soda
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1/2 teaspoon salt
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1 1/4 cups all purpose flour
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1 1/2 cups quick cooking oats
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1 can (about 13 ounces) dulce de leche (or use homemade)