Doubletree Hotel Cookies

Name: Doubletree Hotel Cookies
Prep time: 20 min
Cook time: 30 min
Total time: 50 min
Cuisine: American
Ingredients: 1/2 cup rolled oats; 2 1/4 cups unbleached all-purpose flour; 1 1/2 teaspoons baking soda; 1 teaspoon salt; 1/4 teaspoon ground cinnamon; 1 cup unsalted butter (two sticks), softened; 3/4 cup packed light brown sugar; 3/4 cup granulated sugar; 2 teaspoons pure vanilla extract; 1/2 teaspoon freshly squeezed lemon juice; 2 large eggs; 3 cups semi-sweet miniature chocolate chips (you can use regular-sized chocolate chips instead); 1 cup chopped walnuts (optional)