Flourless Almond Butter Chocolate Chip Cookies

Bahan-bahan (12 porsi)

• 1 large egg
• 1 cup (250g) almond butter or peanut butter, at room temperature or cold (not warm)*
• 1/2 cup (90g) light or dark brown sugar, lightly packed*
• 1 teaspoon baking soda
• optional and tasty: 1/2 teaspoon pure vanilla extract
• 1 cup (190g) semi-sweet or dark chocolate chips, peanuts, peanut butter chips, etc.