Oatmeal Butterscotch Cookies

Name: Oatmeal Butterscotch Cookies
Prep time: 1 h 15 min
Cook time: 12 min
Total time: 1 h 27 min
Cuisine: European, American
Ingredients: 128 grams all purpose flour (1 cup); 3/4 teaspoon baking soda; 1/4 teaspoon kosher salt; 113 grams unsalted butter, softened (1/2 cup/1 stick); 150 grams dark brown sugar (3/4 cup); 50 grams granulated sugar (1/4 cup); 1 large egg, at room temperature; 20 grams molasses or black treacle (1 tablespoon); 1 teaspoon vanilla extract; 1/4 teaspoon butterscotch flavor oil; 150 grams rolled oats (1 1/2 cups); 150 grams butterscotch chips (3/4 cup), plus more to decorate; 55 grams crushed butterscotch candy (1/4 cup, or about 10 candies)