thick, chewy oatmeal raisin cookies

INGREDIENTS

• 1/2 cup (1 stick, 4 ounces, or 115 grams) butter, softened
• 2/3 cup (125 grams) light brown sugar, packed
• 1 large egg
• 1/2 teaspoon vanilla extract
• 3/4 cup (95 grams) all-purpose flour
• 1/2 teaspoon baking soda
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon table salt (I often use a half teaspoon, but I like more salt in my baked goods)
• 1 1/2 cups (120 grams) rolled oats
• 3/4 cup (120 grams) raisins
• 1/2 cup walnuts (65 grams), chopped (optional)