Chocolate Chip Cookies for Two

Ingredients

• 2 tbsp unsalted butter, room temperature 30 mL
• 2 tbsp firmly packed brown sugar 30 mL
• 1 tbsp sugar 15 mL
• 1 egg yolk
• 1/4 tsp vanilla extract 1 mL
• 1/3 cup all-purpose flour 75 mL
• 1/4 tsp baking soda 1 mL
• pinch salt
• 1 oz chopped bittersweet chocolate or scant 1/4 cup (60 mL) semi-sweet chocolate chips 30 g
• 1 tbsp chopped walnuts (optional) 15 mL