Flourless Peanut Butter Oatmeal Bars with Chocolate Chips

Bahan-bahan (16 porsi)

• 1 cup creamy peanut butter ((crunchy will work too, though I prefer the texture of the creamy))
• 3/4 cup light brown sugar
• 1/2 teaspoon baking soda
• 1/8 teaspoon kosher salt
• 1 large egg (at room temperature)
• 1 teaspoon vanilla extract
• 1/2 cup semi-sweet chocolate chips
• 1/3 cup old fashioned rolled oats