Mint Cookies With Chocolate Glaze

I found this on the web somewhere. Haven't made yet.

• Ready In: 27 mins
• Yields: 2-3 dozen

Ingredients

• For the cookie

• 1  cup  soft butter
• 1 1⁄2 cups light brown sugar
• 1  teaspoon vanilla extract
• 1  egg
• 1 1⁄2 cups plain flour
• 1⁄4 cup cocoa powder
• 1⁄2 teaspoon baking powder
• 2  cups  dark chocolate chips

• For the glaze

• 3⁄4 cup icing sugar
• 1 (15 ml)  tablespoon  cocoa, sieved
• 2 (15 ml)  tablespoons boiling water
• 1⁄4 teaspoon  peppermint extract

Directions

1. Preheat oven to 180 C.
2. Cream butter and sugar, then beat in the vanilla extract and egg.
3. Mix flour, cocoa and baking powder and gradually beat into mixture. Fold in chocolate chips.
4. Scoop out scoops of cookie dough and place on a lined baking sheet, leaving a little space in between.
5. Bake in oven for 12 minutes. Then leave to cool on top of kitchen roll (to catch any escaping glaze later).
6. Put the glaze ingredients into a saucepan and heat until combined.
7. Using a teaspoon, zig-zag the glaze over each cooling cookie.