Festive Butter Cookies | Canadian Goodness

Ingredients

• 2 1/2 cups (625 mL) all-purpose flour
• 1 tsp (5 mL) baking soda
• 1 tsp (5 mL) cream of tartar
• 1/4 tsp (1 mL) salt
• 1 cup (250 mL) Canadian butter softened
• 1 1/2 cups (375 mL) icing sugar
• 1 egg
• 1 tsp (5 mL) vanilla extract
• 1 egg yolk
• Food colouring